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 A094805 #4 Jan 09 2009 03:00:00 %S A094805 6,210,840,341880,71831760,64648584000,2216650756320 %N A094805 Duplicate of A055193. %K A094805 dead %O A094805 1,1