A033802 - OEIS

%I #19 Jan 09 2023 06:08:36

%S 1,1,0,1,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,

%T 0,0,1,0,0,0,0,0,0,1,1,1,1,0,0,1,0,0,0,1,0,1,0,0,1,0,0,0,0,0,1,0,1,0,

%U 0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,0,0

%N Product t2(q^d); d | 43, where t2 = theta2(q)/(2*q^(1/4)).

%C Also the number of positive odd solutions to equation x^2 + 43*y^2 = 8*n + 44. - _Seiichi Manyama_, May 29 2017

%H Seiichi Manyama, <a href="/A033802/b033802.txt">Table of n, a(n) for n = 0..10000</a>

%K nonn

%O 0,254

%A _N. J. A. Sloane_

%E More terms from _Seiichi Manyama_, May 27 2017