A033767 Product t2(q^d); d | 8, where t2 = theta2(q)/(2*q^(1/4)).

1, 1, 1, 2, 1, 2, 3, 3, 2, 3, 4, 3, 6, 5, 5, 7, 5, 5, 6, 4, 8, 8, 5, 6, 10, 9, 7, 13, 6, 9, 13, 9, 9, 13, 12, 13, 12, 8, 12, 13, 14, 12, 17, 11, 11, 18, 12, 13, 19, 13, 15, 19, 16, 16, 21, 20, 14, 22, 15, 14, 29, 17, 15, 24, 18, 20, 23, 18, 20, 33, 23, 21, 23, 18

Offset

0,4

Comments

Also the number of positive odd solutions to equation a^2 + 2*b^2 + 4*c^2 + 8*d^2 = 8*n + 15. - Seiichi Manyama, May 29 2017

Links

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

Crossrefs

Sequence in context: A143902 A085472 A054242 * A033775 A033791 A039913

Adjacent sequences: A033764 A033765 A033766 * A033768 A033769 A033770

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Seiichi Manyama, May 22 2017

Status

approved