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 A030135 #6 Mar 30 2012 18:35:28 %S A030135 1,1,2,4,7,14,11,10,5,3,1,1 %N A030135 Number of pentagonal n-ominoes on the dodecahedron. %K A030135 nonn,fini,full %O A030135 1,3 %A A030135 _David W. Wilson_