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A010820
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Expansion of Product_{k>=1} (1 - x^k)^13.
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2
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1, -13, 65, -130, -65, 728, -871, -715, 1560, 845, 78, -6513, 2730, 8605, -4355, 2483, -13299, -2275, 11440, 10010, 19734, -41834, -11375, 12870, -2730, 14911, 33201, 25155, -70070, -36595, -28925, 64389, 13650, 52780
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OFFSET
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0,2
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REFERENCES
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Newman, Morris; A table of the coefficients of the powers of eta(tau). Nederl. Akad. Wetensch. Proc. Ser. A. 59 = Indag. Math. 18 (1956), 204-216.
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LINKS
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FORMULA
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G.f.: exp(-13*Sum_{k>=1} x^k/(k*(1 - x^k))). - Ilya Gutkovskiy, Feb 05 2018
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EXAMPLE
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1 - 13*x + 65*x^2 - 130*x^3 - 65*x^4 + 728*x^5 - 871*x^6 - 715*x^7 + ...
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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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