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A038065
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Product_{k>=1} 1/(1 - x^k)^a(k) = 1 + 4x.
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7
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4, -10, 20, -60, 204, -690, 2340, -8160, 29120, -104958, 381300, -1397740, 5162220, -19175130, 71582716, -268431360, 1010580540, -3817763040, 14467258260, -54975528948, 209430785460, -799645010850, 3059510616420
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OFFSET
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1,1
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LINKS
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FORMULA
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PROG
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(PARI) x='x+O('x^24); Vec(sum(k=1, 24, moebius(k)*log(1 + 4*x^k)/k)) \\ Indranil Ghosh, May 24 2017
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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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