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 A110856 #6 Mar 30 2012 16:50:19 %S A110856 2,8,20,28,82,126 %N A110856 Magic numbers: another version of A018226, which see for further information. %H A110856 Victor Niederhoffer & Laurel Kenner, <a href="http://www.dailyspeculations.com/Connections/connections_chemistry.html">Daily Speculations</a> (Apr 01, 2004) %Y A110856 Cf. A018226. %K A110856 nonn,fini,full %O A110856 1,1 %A A110856 _N. J. A. Sloane_, Aug 08 2006