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 A025067 #3 Nov 10 2007 03:00:00 %S A025067 1,2,3,5,11,18,34,55,89,144,246,398,665,1076,1775,2872,4647,7519,12255 %N A025067 Erroneous version of A024371. %K A025067 dead %O A025067 1,2