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 A320202 #11 Oct 08 2018 02:51:25 %S A320202 1,2,2,4,4,4,8,8,6,6,8,4,8,12,2,12,16,16,18,20,24,24,36,20,24,22,24, %T A320202 40,16,20,24,32,26,40,32,24,60,36,40,36,40,40,48,28,8,52,12,48,56,34, %U A320202 34,48,72,28,80,40,34,60,44,60,24,60,64,76,44,36,80,60,96,88,48,56 %N A320202 Number of integer solutions to a^2 + 2*b^2 + 4*c^2 + 14*d^2 = n. %C A320202 a(n) > 0 for n >= 0. %H A320202 Seiichi Manyama, <a href="/A320202/b320202.txt">Table of n, a(n) for n = 0..10000</a> %F A320202 G.f.: theta_3(q) * theta_3(q^2) * theta_3(q^4) * theta_3(q^14). %Y A320202 Cf. A320193, A320194, A320195, A320196, A033720, A320197, A320198, A320199, A320200, A320201. %K A320202 nonn %O A320202 0,2 %A A320202 _Seiichi Manyama_, Oct 07 2018