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 A113732 #2 Mar 30 2012 17:27:47 %S A113732 1,3,5,15,22,91,187,703,1891,2701,12403,18721,38503,49141,79003,88831, %T A113732 104653,146611,188191,218791,226801,269011,286903,385003,497503, %U A113732 597871,665281,721801,736291,765703,873181,954271,1056331,1314631,1373653 %N A113732 Records in A111273. %Y A113732 Cf. A111273, A113733. %K A113732 nonn %O A113732 1,2 %A A113732 _Klaus Brockhaus_, Nov 08 2005