This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A371962 #13 Apr 17 2024 10:32:06 %S A371962 0,1,3,2,6,7,4,5,14,12,13,15,8,10,11,9,28,29,24,25,26,27,30,31,16,17, %T A371962 20,21,22,23,18,19,60,56,57,61,48,52,53,49,50,54,55,51,62,58,59,63,32, %U A371962 36,37,33,44,40,41,45,46,42,43,47,34,38,39,35,120,121,112 %N A371962 Inverse permutation to A371961. %H A371962 Rémy Sigrist, <a href="/A371962/b371962.txt">Table of n, a(n) for n = 0..8191</a> %H A371962 Rémy Sigrist, <a href="/A371962/a371962.gp.txt">PARI program</a> %H A371962 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A371962 A371961(42) = 57, so a(57) = 42. %o A371962 (PARI) \\ See Links section. %Y A371962 Cf. A371961. %K A371962 nonn,base %O A371962 0,3 %A A371962 _Rémy Sigrist_, Apr 14 2024