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A294464
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E.g.f.: Product_{k>0} (1+k*x^k)^(1/k).
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1
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1, 1, 2, 12, 36, 300, 2520, 20160, 75600, 2192400, 30996000, 276091200, 2165486400, 19070251200, 968042275200, 41954552640000, 190974944160000, 230641066656000, 95607669148992000, -2052972258809472000, 22839078791168640000, 5074390517301705600000
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OFFSET
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0,3
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LINKS
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FORMULA
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E.g.f.: exp(Sum_{k>=1} Sum_{j>=1} (-1)^(k+1)*j^(k-1)*x^(j*k)/k). - Ilya Gutkovskiy, May 28 2018
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PROG
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(PARI) N=66; x='x+O('x^N); Vec(serlaplace(prod(k=1, N, (1+k*x^k)^(1/k))))
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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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