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 A007596 M1302 #12 Apr 18 2014 02:49:27 %S A007596 1,2,4,44,164,616 %N A007596 Erroneous version of A226909. %H A007596 P. J. Cameron, <a href="http://dx.doi.org/10.1093/qmath/38.2.155">Some treelike objects</a>, Quart. J. Math. Oxford, 38 (1987), 155-183. See p. 166, but note that 14 is missing. %K A007596 dead %O A007596 0,2