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 A058916 #1 May 16 2003 03:00:00 %S A058916 1,1,4,5,2008,153040,20933840,4662857360,1579060246400 %N A058916 Erroneous version of A001500. %D A058916 L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 125, b_n. %K A058916 dead %O A058916 0,3