A033771 Product t2(q^d); d | 12, where t2 = theta2(q)/(2*q^(1/4)).

1, 1, 1, 3, 2, 3, 6, 5, 4, 9, 9, 6, 15, 12, 9, 21, 19, 12, 26, 24, 18, 39, 31, 24, 46, 41, 28, 57, 47, 30, 72, 54, 38, 84, 65, 48, 95, 73, 53, 108, 84, 63, 134, 101, 68, 147, 112, 78, 173, 123, 90, 189, 149, 102, 196, 167, 114, 225, 168, 114, 251, 209, 134, 282, 206

Offset

0,4

Comments

Also the number of positive odd solutions to equation a^2 + 2*b^2 + 3*c^2 + 4*d^2 + 6*e^2 + 12*f^2 = 8*n + 28. - Seiichi Manyama, May 29 2017

Links

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

Crossrefs

Sequence in context: A144216 A127938 A131990 * A033795 A222403 A033783

Adjacent sequences: A033768 A033769 A033770 * A033772 A033773 A033774

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Seiichi Manyama, May 22 2017

Status

approved