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 A066078 #3 May 11 2007 03:00:00 %S A066078 2,3,4,4,2,6,6,4,2,2,2,8,9,4,2,2,2,9,2,2,17,2,2,6,17,4,2,2,9,6,2,2,2,2 %N A066078 Duplicate of A058339. %K A066078 dead %O A066078 1,1