A033780 Product t2(q^d); d | 21, where t2 = theta2(q)/(2*q^(1/4)).

1, 1, 0, 2, 1, 0, 2, 1, 1, 2, 4, 1, 1, 3, 0, 2, 2, 2, 2, 3, 1, 4, 4, 0, 7, 4, 2, 4, 5, 1, 6, 11, 1, 4, 4, 2, 6, 5, 4, 6, 8, 1, 6, 6, 1, 14, 8, 3, 6, 6, 0, 10, 15, 2, 8, 6, 2, 8, 8, 2, 9, 10, 2, 8, 6, 3, 22, 9, 1, 10, 8, 4, 12, 23, 4, 12, 14, 0, 10, 12, 7, 12, 12, 4

Offset

0,4

Links

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

Crossrefs

Sequence in context: A025846 A241272 A358991 * A035210 A366750 A185207

Adjacent sequences: A033777 A033778 A033779 * A033781 A033782 A033783

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Seiichi Manyama, May 23 2017

Status

approved