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 A066579 #7 Mar 11 2014 13:56:48 %S A066579 1,1,1,1,1,1,1,1,1,1,4,2,10,7,4,3,10,4,10,7,5,4,10,6,10,7,10,8,9,7 %N A066579 Erroneous version of A113315. %K A066579 dead %O A066579 1,11 %A A066579 _N. J. A. Sloane_, Mar 11 2014