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A022617
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Expansion of Product_{m>=1} (1+q^m)^(-22).
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2
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1, -22, 231, -1562, 7799, -31438, 109208, -341660, 987327, -2672868, 6848490, -16752958, 39388481, -89439944, 196910681, -421739450, 881199561, -1800336692, 3603535166, -7078509064, 13665905671
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) ~ (-1)^n * 11^(1/4) * exp(Pi*sqrt(11*n/3)) / (2^(3/2) * 3^(1/4) * n^(3/4)). - Vaclav Kotesovec, Aug 27 2015
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MATHEMATICA
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nmax = 50; CoefficientList[Series[Product[1/(1 + x^k)^22, {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Aug 27 2015 *)
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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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