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 A076576 #2 Sep 22 2004 03:00:00 %S A076576 4,3,2,3,3,2,9,8,7,1,8,5,9 %N A076576 Erroneous version of A084255. %K A076576 dead %O A076576 0,1