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 A320147 #11 Oct 08 2018 02:50:34 %S A320147 1,4,4,2,12,18,8,16,24,28,40,8,26,72,16,16,44,44,68,24,34,80,72,28,40, %T A320147 124,40,50,112,56,80,40,76,144,120,32,84,216,24,40,136,80,160,88,56, %U A320147 154,88,28,158,228,100,48,216,172,80,104,80,300,280,40,112,248,120,112 %N A320147 Number of integer solutions to a^2 + b^2 + 3*c^2 + 5*d^2 = n. %C A320147 a(n) > 0 for n >= 0. %H A320147 Seiichi Manyama, <a href="/A320147/b320147.txt">Table of n, a(n) for n = 0..10000</a> %F A320147 G.f.: theta_3(q)^2 * theta_3(q^3) * theta_3(q^5). %Y A320147 Cf. A034896, A272364, A320148. %K A320147 nonn %O A320147 0,2 %A A320147 _Seiichi Manyama_, Oct 06 2018