%I #10 Oct 05 2018 09:02:03
%S 1,6,12,8,6,24,24,0,12,30,24,24,10,36,72,16,18,96,84,24,48,108,72,48,
%T 40,78,168,32,12,168,120,48,60,144,96,48,78,84,216,64,24,240,144,24,
%U 48,168,144,96,70,114,252,64,84,312,240,48,120,252,168,120,32
%N Number of integer solutions to a^2 + b^2 + c^2 + 12*d^2 = n.
%H Seiichi Manyama, <a href="/A236933/b236933.txt">Table of n, a(n) for n = 0..10000</a>
%F G.f.: theta_3(q)^3*theta_3(q^12), where theta_3() is the Jacobi theta function. - _Ilya Gutkovskiy_, Aug 03 2018
%p See A236924.
%Y Different from A005875.
%Y 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 nonn
%O 0,2
%A _N. J. A. Sloane_, Feb 16 2014