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 A320138 #14 Oct 07 2018 12:50:14 %S A320138 1,2,2,8,10,8,24,16,10,38,8,12,48,8,32,64,26,36,70,28,24,80,28,48,96, %T A320138 42,40,76,48,24,112,64,58,160,68,32,126,56,44,192,56,84,176,44,60,88, %U A320138 80,96,208,114,74,176,72,72,172,80,112,288,88,76,224,72,112,304,90,96 %N A320138 Number of integer solutions to a^2 + 2*b^2 + 3*c^2 + 3*d^2 = n. %C A320138 a(n) > 0 for n >= 0. %H A320138 Seiichi Manyama, <a href="/A320138/b320138.txt">Table of n, a(n) for n = 0..10000</a> %F A320138 G.f.: theta_3(q) * theta_3(q^2) * theta_3(q^3)^2. %Y A320138 Cf. A320139, A320140, A033712, A320188, A320189, A320190, A320191. %K A320138 nonn %O A320138 0,2 %A A320138 _Seiichi Manyama_, Oct 06 2018