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Product t2(q^d); d | 17, where t2 = theta2(q)/(2*q^(1/4)).
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%I #14 May 29 2017 08:48:19

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

%T 0,0,1,0,1,0,0,0,0,0,0,2,0,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1,1,0,0,0,2,0,

%U 0,0,0,0,2,0,0,0,0,0,1,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,1,1,0,0,0,0

%N Product t2(q^d); d | 17, where t2 = theta2(q)/(2*q^(1/4)).

%C Also the number of positive odd solutions to equation x^2 + 17*y^2 = 8*n + 18. - _Seiichi Manyama_, May 29 2017

%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102.

%H Seiichi Manyama, <a href="/A033776/b033776.txt">Table of n, a(n) for n = 0..10000</a>

%K nonn,easy

%O 0,46

%A _N. J. A. Sloane_

%E More terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), May 16 2000