A033768 Product t2(q^d); d | 9, where t2 = theta2(q)/(2*q^(1/4)).

1, 1, 0, 2, 1, 0, 2, 0, 0, 3, 3, 0, 3, 2, 0, 4, 0, 0, 4, 4, 0, 3, 1, 0, 5, 0, 0, 3, 5, 0, 6, 3, 0, 7, 0, 0, 4, 5, 0, 5, 4, 0, 4, 0, 0, 8, 5, 0, 6, 1, 0, 5, 0, 0, 7, 7, 0, 6, 5, 0, 7, 0, 0, 8, 7, 0, 7, 4, 0, 5, 0, 0, 8, 9, 0, 10, 0, 0, 9, 0, 0, 4, 7, 0, 7, 6, 0, 7

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Comments

Also the number of positive odd solutions to equation a^2 + 3*b^2 + 9*c^2 = 8*n + 13. - Seiichi Manyama, May 29 2017

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..10000

Extensions

More terms from Seiichi Manyama, May 22 2017