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 A093340 #4 Feb 27 2009 03:00:00 %S A093340 1,4,4,8,9,14,15,66,68,70,123,123,125,132,133,134,135,136,138,139 %N A093340 Erroneous version of A094004. %K A093340 dead %O A093340 1,2