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 A033753 #8 Oct 11 2018 09:02:10
%S A033753 1,2,0,0,2,0,0,0,0,2,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,
%T A033753 0,0,2,0,0,0,0,2,4,0,0,4,0,0,0,2,4,0,0,0,0,0,0,4,0,0,0,0,0,0,2,0,4,0,
%U A033753 0,0,0,0,0,0,0,0,0,4,0,0,0
%N A033753 Expansion of Product_{d | 41} theta_3(q^d).
%D A033753 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p 102 eq 9.
%H A033753 Seiichi Manyama, <a href="/A033753/b033753.txt">Table of n, a(n) for n = 0..10000</a>
%K A033753 nonn
%O A033753 0,2
%A A033753 _N. J. A. Sloane_