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 A371593 #9 Apr 14 2024 10:03:33 %S A371593 0,1,2,3,4,5,7,6,8,9,10,15,11,12,16,13,17,18,19,31,14,20,21,22,32,23, %T A371593 24,33,25,34,35,36,63,26,27,37,28,38,39,40,64,29,41,42,43,65,44,45,66, %U A371593 46,67,68,69,127,30,47,48,49,70,50,51,71,52,72,73,74,128 %N A371593 Inverse permutation to A371592. %H A371593 Rémy Sigrist, <a href="/A371593/a371593.gp.txt">PARI program</a> %H A371593 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A371593 A371592(42) = 43, so a(43) = 42. %o A371593 (PARI) \\ See Links section. %Y A371593 Cf. A371592. %K A371593 nonn,base %O A371593 0,3 %A A371593 _Rémy Sigrist_, Mar 28 2024