A033784 - OEIS

%I #15 May 29 2017 09:10:06

%S 1,1,0,1,0,1,2,0,1,0,1,1,0,0,0,3,1,0,1,0,1,2,0,0,0,2,2,0,2,0,3,3,0,3,

%T 0,1,4,0,0,0,4,2,0,2,0,3,2,0,0,0,3,4,0,2,0,3,2,0,3,0,3,3,0,0,0,2,3,0,

%U 1,0,3,2,0,0,0,5,5,0,5,0,2,5,0,3,0,6,2,0

%N Product t2(q^d); d | 25, where t2 = theta2(q)/(2*q^(1/4)).

%C Also the number of positive odd solutions to equation a^2 + 5*b^2 + 25*c^2 = 8*n + 31. - _Seiichi Manyama_, May 29 2017

%H Seiichi Manyama, <a href="/A033784/b033784.txt">Table of n, a(n) for n = 0..10000</a>

%K nonn

%O 0,7

%A _N. J. A. Sloane_

%E More terms from _Seiichi Manyama_, May 24 2017