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 A065288 #8 Mar 18 2022 21:50:43 %S A065288 2,4,1,8,10,5,3,16,18,20,22,9,6,11,7,32,34,36,38,40,42,44,46,17,12,19, %T A065288 13,21,14,23,15,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,33,24, %U A065288 35,25,37,26,39,27,41,28,43,29,45,30,47,31,128,130,132,134,136,138,140 %N A065288 Inverse permutation to A065287. %H A065288 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %K A065288 nonn %O A065288 1,1 %A A065288 _Antti Karttunen_, Oct 28 2001