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 A088757 #3 Mar 30 2012 17:29:12 %S A088757 2,5,7,8,26,40,134,160,107,172,35,79,739,267,137,1119,97,1498,983, %T A088757 1404,2193,1206,3262,369,3256,2728,1406,3483,6771,2226,12077,8533, %U A088757 1890,9889,10925,10935,3981,10763,13030,16958,13433,16369,47602,26190,17115,33262 %N A088757 a(n) = index of the first occurrence of n in A088606. %Y A088757 Cf. A088606. %K A088757 nonn %O A088757 1,1 %A A088757 _Ray Chandler_, Oct 18 2003