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A307050 Expansion of theta_3(theta_3(x) - 1), where theta_3() is the Jacobi theta function. 2
1, 4, 0, 0, 36, 0, 0, 128, 0, 1028, 192, 0, 9344, 128, 0, 37248, 131108, 9216, 86400, 2097280, 73920, 129152, 15729024, 258432, 2235392, 140546436, 516288, 31617408, 1916531072, 645120, 220496640, 20708053504, 16318464, 2632546688, 155432759872, 220975488, 180568120740, 850648084992 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..37.

Eric Weisstein's World of Mathematics, Jacobi Theta Functions

MATHEMATICA

nmax = 37; CoefficientList[Series[EllipticTheta[3, 0, EllipticTheta[3, 0, x] - 1], {x, 0, nmax}], x]

CROSSREFS

Cf. A000122, A307186.

Sequence in context: A060784 A181204 A191417 * A223179 A278272 A192057

Adjacent sequences:  A307047 A307048 A307049 * A307051 A307052 A307053

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Mar 28 2019

STATUS

approved

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Last modified October 1 15:55 EDT 2020. Contains 337443 sequences. (Running on oeis4.)