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 A236932 #16 May 31 2022 14:55:13 %S A236932 1,6,12,8,6,24,24,2,24,54,40,36,56,72,48,24,66,96,84,40,72,144,24,12, %T A236932 120,102,120,80,98,132,72,64,84,240,160,48,198,180,120,72,136,240,240, %U A236932 84,84,312,120,96,248,246,180,96,216,228,240,80,156,360,216,120,168 %N A236932 Number of integer solutions to a^2 + b^2 + c^2 + 7*d^2 = n. %H A236932 Seiichi Manyama, <a href="/A236932/b236932.txt">Table of n, a(n) for n = 0..10000</a> %F A236932 G.f.: theta_3(q)^3*theta_3(q^7), where theta_3() is the Jacobi theta function. - _Ilya Gutkovskiy_, Aug 01 2018 %p A236932 See A236924. %Y A236932 For number of solutions to a^2 + b^2 + c^2 + k*d^2 = n for k = 1, 2, 3, 4, 5, 6, 7, 8, 12 see A000118, A236928, A236926, A236923, A236930, A236931, A236932, A236927, A236933. %K A236932 nonn %O A236932 0,2 %A A236932 _N. J. A. Sloane_, Feb 16 2014