

A022703


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


2



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
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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



