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 A372658 #9 May 12 2024 11:24:58 %S A372658 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,18,16,20,17,21,19,22,23,24,25, %T A372658 29,30,26,27,32,28,31,33,34,35,36,39,37,41,38,47,40,48,49,50,42,44,43, %U A372658 52,53,45,54,46,55,56,51,57,58,59,63,64,60,61,66,62,65,67 %N A372658 Inverse permutation to A372657. %H A372658 Rémy Sigrist, <a href="/A372658/b372658.txt">Table of n, a(n) for n = 0..10000</a> %H A372658 Rémy Sigrist, <a href="/A372658/a372658.gp.txt">PARI program</a> %H A372658 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A372658 A372657(42) = 46, so a(46) = 42. %o A372658 (PARI) \\ See Links section. %Y A372658 Cf. A372657. %K A372658 nonn,base %O A372658 0,3 %A A372658 _Rémy Sigrist_, May 09 2024