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 A131359 #2 Jun 29 2008 03:00:00 %S A131359 4,74,1434,27080 %N A131359 Erroneous version of A108808. %D A131359 J. N. Ridley and M. E. Mays, Compositions of unions of graphs, Fib. Quart. 42 (2004), 222-230. %K A131359 dead %O A131359 1,1