login
A033772
Product t2(q^d); d | 13, where t2 = theta2(q)/(2*q^(1/4)).
1
1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 1, 0, 0, 2, 0, 0, 0
OFFSET
0,29
COMMENTS
Also the number of positive odd solutions to equation x^2 + 13*y^2 = 8*n + 14. - Seiichi Manyama, May 28 2017
LINKS
MATHEMATICA
QP=QPochhammer; s=QP[q^2]^2 (QP[q^26]^2 / (QP[q] QP[q^13]))+O[q]^105; CoefficientList[s, q] (* Vincenzo Librandi, May 31 2017 *)
CROSSREFS
Sequence in context: A122180 A363742 A378446 * A086015 A249856 A086012
KEYWORD
nonn
EXTENSIONS
More terms from Seiichi Manyama, May 22 2017
STATUS
approved