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 A079856 #3 May 11 2007 03:00:00 %S A079856 2,10,60,420,4290,53130,903210,17687670,406816410,11125544430 %N A079856 Duplicate of A073329. %K A079856 dead %O A079856 1,1