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A022737
Expansion of Product_{m>=1} (1-m*q^m)^-13.
2
1, 13, 117, 832, 5109, 28054, 141401, 664287, 2943460, 12404535, 50050910, 194348193, 729316796, 2654041235, 9393084103, 32409549367, 109246771179, 360409934599, 1165521592456, 3699803142334
OFFSET
0,2
LINKS
MATHEMATICA
With[{nmax = 50}, CoefficientList[Series[Product[(1 - k*q^k)^-13, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Jul 25 2018 *)
PROG
(PARI) m=50; q='q+O('q^m); Vec(prod(n=1, m, (1-n*q^n)^-13)) \\ G. C. Greubel, Jul 25 2018
(Magma) n:=50; R<x>:=PowerSeriesRing(Integers(), n); Coefficients(R!(&*[(1/(1-m*x^m))^13:m in [1..n]])); // G. C. Greubel, Jul 25 2018
CROSSREFS
Sequence in context: A296632 A250316 A250557 * A016295 A225965 A051824
KEYWORD
nonn
STATUS
approved