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A022676
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Expansion of Product_{m >= 1} (1-m*q^m)^16.
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2
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1, -16, 88, -96, -836, 2592, 1824, -11616, -12858, 27248, 160064, -123168, -634664, -132000, 1016416, 4677376, 375569, -13049296, -24306064, -14447360, 115090052, 159327776, 10482048, -443275328, -1133277978
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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With[{nmax = 50}, CoefficientList[Series[Product[(1 - k*q^k)^16, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Jul 18 2018 *)
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PROG
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(PARI) m=50; q='q+O('q^m); Vec(prod(n=1, m, (1-n*q^n)^16)) \\ G. C. Greubel, Jul 18 2018
(Magma) Coefficients(&*[(1-m*x^m)^16:m in [1..40]])[1..40] where x is PolynomialRing(Integers()).1; // G. C. Greubel, Jul 18 2018
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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