A022703 Expansion of Product_{m>=1} (1+m*q^m)^-11.

1, -11, 44, -77, 132, -638, 1771, -2464, 5687, -19371, 38533, -66793, 160710, -367730, 747219, -1458655, 2888787, -6357505, 12977239, -23575079, 47325498, -98587841, 187236499, -352094413, 684939838, -1333767820

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)^-11, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Jul 19 2018 *)

Prog

(PARI) m=50; q='q+O('q^m); Vec(prod(n=1, m, (1+n*q^n)^-11)) \\ G. C. Greubel, Jul 19 2018

Crossrefs

Sequence in context: A259963 A201991 A010819 * A061976 A070930 A033584

Adjacent sequences: A022700 A022701 A022702 * A022704 A022705 A022706

Keyword

sign

Author

N. J. A. Sloane

Status

approved