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 A066092 #4 May 11 2007 03:00:00 %S A066092 2,6,4,20,3,42,8,18,10,110,4,156,14,10,16,272,18,342,5,28,22,506,8,100 %N A066092 Erroneous version of A063427. %K A066092 dead %O A066092 2,1