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 A086859 #6 Mar 30 2012 16:49:46 %S A086859 1,63,56,0,0,0,216,0,168 %N A086859 a(n) = number of elements of order n in simple group L_2(8) of order 504. %Y A086859 Cf. A031963. %K A086859 nonn,fini,full %O A086859 1,2 %A A086859 _N. J. A. Sloane_, Apr 06 2009