A321026 Expansion of Product_{k>0} theta_3(q^(2*k-1))/theta_3(q^(2*k)), where theta_3() is the Jacobi theta function.

1, 2, -2, -2, 8, 2, -14, -6, 24, 20, -54, -30, 104, 42, -170, -94, 302, 170, -524, -254, 852, 422, -1406, -706, 2256, 1144, -3550, -1796, 5628, 2710, -8670, -4254, 13190, 6650, -20118, -9842, 30200, 14618, -44874, -22014, 66376, 32590, -97350, -47398, 141788, 68668

Offset

0,2

Links

Seiichi Manyama, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Jacobi Theta Functions

Crossrefs

Cf. A000122, A320068, A320078, A321027.

Sequence in context: A367189 A054271 A278245 * A240284 A344897 A011202

Adjacent sequences: A321023 A321024 A321025 * A321027 A321028 A321029

Keyword

sign,changed

Author

Seiichi Manyama, Oct 26 2018

Status

approved