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A307310
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Expansion of Product_{k>=1} (1 - x^k/(1 - x)^k).
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4
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1, -1, -2, -3, -4, -4, -1, 9, 34, 89, 200, 409, 779, 1394, 2339, 3624, 4974, 5323, 1682, -13279, -56222, -163136, -408768, -943275, -2059237, -4310179, -8712425, -17072901, -32486302, -60006278, -107341413, -184979170, -303998680, -467127625, -642495990, -696247140
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OFFSET
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0,3
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COMMENTS
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First differences of the binomial transform of A010815.
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LINKS
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MAPLE
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a:=series(mul((1-x^k/(1-x)^k), k=1..100), x=0, 35): seq(coeff(a, x, n), n=0..34); # Paolo P. Lava, Apr 02 2019
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MATHEMATICA
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nmax = 35; CoefficientList[Series[Product[(1 - x^k/(1 - x)^k), {k, 1, nmax}], {x, 0, nmax}], x]
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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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