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 A066762 #3 May 11 2007 03:00:00 %S A066762 2,6,8,10,22,46,58,82,106,166,178,188,226,262,285,346,358,382,466,478 %N A066762 Duplicate of A066198. %K A066762 dead %O A066762 1,1