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A022717
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Expansion of Product_{m>=1} (1+m*q^m)^-25.
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2
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1, -25, 275, -1750, 7300, -23255, 73150, -252625, 796275, -2137925, 5733355, -16646550, 45304475, -111461125, 280683700, -735052700, 1815283450, -4275549750, 10301217900, -24923579950, 58128778485, -133132664600
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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)^-25, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Jul 20 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)^-25)) \\ G. C. Greubel, Jul 20 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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