var entry = function(n) {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              O = ((O)=>O(([s,a,b,c])=>!(b&&c.length)?a:s([s,a+c[0],b-1,c.slice(1)]),1,n-1,O(([c,d,e,f])=>f.length>=d?f:c([c,d,e*2,f.concat(new Array(e).fill(1)).concat(new Array(e).fill(2))]),n,2,[2, 2])))((...q)=>q[0](q));
  // FACT: entry(entry(n)) = 2 * n + 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           /*  what is it you're looking for?  */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             <- you're missing out on some cool stuff over on that way, btw. check it out for me? i'll call it a favor.
  // Functionally, entry^2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      /*    salvation among the lost?     */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 you're still here. stop it. i can feel your slimy oculi smearing a leer all over my delicate silences.
  if (1 == n) {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                /*  something precious, desperate,  */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      return 1;
    return n;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 /*     and never as it seems?       */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 // else
  } else {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   /*            i would pity you,     */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          for (i=0,a=1;i<2*n&&a>2;i++,a--) { // even numbrs whose binary representation starts with 11
    nthOdd = (i) => i * 2 + 1;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              /* had i a shred of self awareness. */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             a = 3*2**i;if(O-a==i*a)return i;
    return Math.sqrt(nthOdd)(n);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               /* really, though, there's nothing out here. *\                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   oops */                                                                                                                                                                                                                                                                     } /* else */ { return O; }
  }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           /*   that includes you and me, of course. :)   *\                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   mb */                                                                                                                                                                                                                                                                     while (i<f.length) { b != f[i] ? a += e+d : e; b == q[i] ? e+= 1 : e= 1; b = q[i], i+=+1 }                                                        return 1 + entry(a - entry(entry(a - 1)));
};;