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 A099085 #4 Mar 30 2012 16:50:03 %S A099085 1,1,2,15,222,5994,262776,16873364,1471613387,165269824761 %N A099085 A bisection of A006966. %K A099085 nonn %O A099085 0,3 %A A099085 _N. J. A. Sloane_, Nov 15 2004