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 A033737 #8 Oct 09 2018 10:54:49
%S A033737 1,2,0,0,2,2,4,0,0,6,0,0,0,0,4,0,2,0,0,0,2,8,0,0,4,4,4,0,0,8,8,8,0,0,
%T A033737 12,0,6,0,0,8,0,8,0,0,0,10,20,0,0,14,4,0,0,0,16,8,4,0,0,0,0,16,0,0,2,
%U A033737 0,8,0,0,8,16,8,0,0,12,0,0
%N A033737 Expansion of Product_{d | 25} theta_3(q^d).
%D A033737 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p 102 eq 9.
%H A033737 Seiichi Manyama, <a href="/A033737/b033737.txt">Table of n, a(n) for n = 0..10000</a>
%K A033737 nonn
%O A033737 0,2
%A A033737 _N. J. A. Sloane_