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A327758 Expansion of Product_{k>=1} 1/(1 - x^k)^(3/k), where (m/n) is the Kronecker symbol. 2
1, 1, 0, 0, 1, 0, -1, -1, -1, -1, 0, 1, 1, 2, 3, 2, 1, 0, -2, -4, -4, -4, -3, 0, 3, 5, 6, 7, 4, 0, -4, -8, -12, -11, -6, -2, 4, 12, 17, 16, 12, 4, -8, -17, -22, -24, -20, -6, 11, 24, 34, 36, 29, 12, -10, -33, -47, -50, -40, -18, 13, 44, 66, 72, 59, 27, -16, -58, -89, -100, -84, -41 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,14

LINKS

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

Eric Weisstein's World of Mathematics, Kronecker Symbol

PROG

(PARI) N=66; x='x+O('x^N); Vec(1/prod(k=1, N, (1-x^k)^kronecker(3, k)))

CROSSREFS

Convolution inverse of A327757.

Product_{k>=1} 1/(1 - x^k)^(b/k): A111374 (b=2), A000009 (b=4), A003823 (b=5), A214157 (b=13).

Cf. A091338,

Sequence in context: A017848 A108619 A091327 * A110540 A346399 A339071

Adjacent sequences:  A327755 A327756 A327757 * A327759 A327760 A327761

KEYWORD

sign,look

AUTHOR

Seiichi Manyama, Sep 24 2019

STATUS

approved

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Last modified October 3 11:41 EDT 2022. Contains 357231 sequences. (Running on oeis4.)