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A294588 Expansion of Product_{k>=1} (1 - k*x^k)^(k^2). 2
1, -1, -8, -19, -13, 131, 497, 1149, 662, -4780, -22394, -55992, -75053, 44519, 614871, 2048356, 4311107, 4894537, -4917495, -44555890, -140584885, -292542844, -369256294, 110050979, 2247025840, 7757437455, 17600976064, 27240355017, 15747025855, -71354553868 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..6653

PROG

(PARI) N=66; x='x+O('x^N); Vec(prod(k=1, N, (1-k*x^k)^k^2))

CROSSREFS

Column k=2 of A294587.

Cf. A285241.

Sequence in context: A076096 A222636 A283264 * A259169 A293983 A227881

Adjacent sequences:  A294585 A294586 A294587 * A294589 A294590 A294591

KEYWORD

sign

AUTHOR

Seiichi Manyama, Nov 03 2017

STATUS

approved

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Last modified June 6 12:40 EDT 2020. Contains 334827 sequences. (Running on oeis4.)