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 A033739 #8 Oct 10 2018 08:21:06
%S A033739 1,2,0,2,6,0,0,4,0,4,4,0,10,16,0,0,14,0,4,4,0,16,8,0,0,14,0,4,24,0,12,
%T A033739 16,0,0,12,0,20,40,0,28,52,0,0,40,0,24,16,0,58,30,0,0,60,0,4,48,0,40,
%U A033739 20,0,0,40,0,32,94,0,24,52,0
%N A033739 Expansion of Product_{d | 27} theta_3(q^d).
%D A033739 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p 102 eq 9.
%H A033739 Seiichi Manyama, <a href="/A033739/b033739.txt">Table of n, a(n) for n = 0..10000</a>
%K A033739 nonn
%O A033739 0,2
%A A033739 _N. J. A. Sloane_