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A022706 Expansion of Product_{m>=1} (1+m*q^m)^-14. 2
1, -14, 77, -210, 392, -1288, 4697, -9998, 18179, -55636, 150591, -286832, 608909, -1554042, 3444055, -6999356, 14790755, -32329780, 70059535, -141733788, 282586556, -600593730, 1244075259, -2429815472, 4846233028 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..1000

MATHEMATICA

With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-14, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Jul 20 2018 *)

PROG

(PARI) m=50; q='q+O('q^m); Vec(prod(n=1, m, (1+n*q^n)^-14)) \\ G. C. Greubel, Jul 20 2018

CROSSREFS

Sequence in context: A240045 A280396 A010821 * A269495 A085462 A050404

Adjacent sequences:  A022703 A022704 A022705 * A022707 A022708 A022709

KEYWORD

sign

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 19 20:05 EDT 2018. Contains 316378 sequences. (Running on oeis4.)