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 A175060 #11 Oct 30 2021 04:59:11 %S A175060 1,2,3,4,8,5,6,7,13,14,15,9,17,10,11,12,22,23,24,25,45,26,27,16,29,30, %T A175060 31,18,33,19,20,21,38,39,40,41,73,42,43,44,78,79,80,46,82,47,48,28,50, %U A175060 51,52,53,94,54,55,32,57,58,59,34,61,35,36,37,66,67,68,69,122,70,71,72 %N A175060 Inverse permutation to A175059. %H A175060 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %Y A175060 Cf. A175055, A175056, A175057, A175058, A175059 %K A175060 base,nonn %O A175060 1,2 %A A175060 _Leroy Quet_, Dec 08 2009 %E A175060 Extended by _Ray Chandler_, Dec 18 2009