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 A320125 #11 Oct 06 2018 12:06:32 %S A320125 1,4,6,8,14,16,20,32,30,28,40,40,36,48,48,32,62,72,42,72,72,64,100,96, %T A320125 68,84,120,80,112,112,48,128,126,80,108,128,98,144,180,96,136,168,160, %U A320125 168,180,112,144,192,132,228,126,144,216,208,200,160,240,144,280,232 %N A320125 Number of integer solutions to a^2 + b^2 + 2*c^2 + 4*d^2 = n. %C A320125 a(n) > 0 for n >= 0. %H A320125 Seiichi Manyama, <a href="/A320125/b320125.txt">Table of n, a(n) for n = 0..10000</a> %F A320125 G.f.: theta_3(q)^2 * theta_3(q^2) * theta_3(q^4). %Y A320125 Cf. A097057, A320124, A320126, A320127, A320128. %K A320125 nonn %O A320125 0,2 %A A320125 _Seiichi Manyama_, Oct 06 2018