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 A302536 #8 Mar 22 2022 00:12:04 %S A302536 1,9,3,75,7,2,18,1711,3108,6,30,11931,49,17,4,53136,73,101310,109,8, %T A302536 15,29,154 %N A302536 Inverse permutation to A302350. %Y A302536 Cf. A302350. %K A302536 nonn,more %O A302536 1,2 %A A302536 _Michel Marcus_, Apr 09 2018