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A022707
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Expansion of Product_{m>=1} (1+m*q^m)^-15.
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2
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1, -15, 90, -275, 555, -1653, 6185, -14745, 27390, -77370, 222210, -454050, 935885, -2388795, 5531835, -11402626, 24305100, -53821020, 117704765, -244275885, 494231898, -1048892855, 2216119785, -4418663160, 8855734025
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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)^-15, {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)^-15)) \\ 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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