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 A081744 #3 Jan 09 2009 03:00:00 %S A081744 2,17,84,545,7824,281771,51540600,3347558057,1146374959980 %N A081744 Erroneous version of A087316. %K A081744 dead %O A081744 1,1