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 A033754 #12 Oct 13 2018 09:18:35
%S A033754 1,2,2,6,6,4,14,10,10,30,24,28,50,40,34,60,62,56,94,108,88,110,136,92,
%T A033754 142,198,168,258,246,220,296,272,298,444,420,404,578,444,420,592,616,
%U A033754 608,782,880,592,812,888,768,1114,1178,1094,1360,1248,1036,1658,1328,1466,2252,1588
%N A033754 Expansion of Product_{d | 42} theta_3(q^d).
%D A033754 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102, eq 9.
%H A033754 Seiichi Manyama, <a href="/A033754/b033754.txt">Table of n, a(n) for n = 0..10000</a>
%K A033754 nonn
%O A033754 0,2
%A A033754 _N. J. A. Sloane_