A033784 - OEIS

A033784

Product t2(q^d); d | 25, where t2 = theta2(q)/(2*q^(1/4)).

1, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 1, 0, 0, 0, 3, 1, 0, 1, 0, 1, 2, 0, 0, 0, 2, 2, 0, 2, 0, 3, 3, 0, 3, 0, 1, 4, 0, 0, 0, 4, 2, 0, 2, 0, 3, 2, 0, 0, 0, 3, 4, 0, 2, 0, 3, 2, 0, 3, 0, 3, 3, 0, 0, 0, 2, 3, 0, 1, 0, 3, 2, 0, 0, 0, 5, 5, 0, 5, 0, 2, 5, 0, 3, 0, 6, 2, 0

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OFFSET

0,7

COMMENTS

Also the number of positive odd solutions to equation a^2 + 5*b^2 + 25*c^2 = 8*n + 31. - Seiichi Manyama, May 29 2017

LINKS

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

CROSSREFS

Sequence in context: A227836 A364042 A033764 * A226206 A350682 A375150

Adjacent sequences: A033781 A033782 A033783 * A033785 A033786 A033787

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Seiichi Manyama, May 24 2017

STATUS

approved