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 A066960 #4 May 11 2007 03:00:00 %S A066960 1,1,1,1,1,1,1,1,1,1,1,7,5,4,4,3,3,3,3,1,11,1,4,7,3,5,2,4,2,1,11,6,1,3 %N A066960 Duplicate of A061827. %K A066960 dead %O A066960 1,12