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A189423
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E.g.f exp(log(1+x)+log(1+x)^2)
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0
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1, 1, 2, 0, 10, -50, 368, -3052, 28740, -302220, 3508152, -44532048, 613399752, -9109006920, 145029146208, -2463935369040, 44482964644368, -850291412311152, 17153458120885152, -364163960169826944, 8114899768747511712
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..20.
Vladimir Kruchinin, Compositae and their properties , arXiv:1103.2582
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FORMULA
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a(n)=sum(m=1..n, sum(k=m..n, k!*binomial(m,k-m)*stirling1(n,k))/m!), n>0, a(0)=1.
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PROG
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(Maxima)
a(n):=sum(sum(k!*binomial(m, k-m)*stirling1(n, k), k, m, n)/m!, m, 1, n);
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CROSSREFS
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Sequence in context: A065624 A086890 A167387 * A138542 A057862 A102869
Adjacent sequences: A189420 A189421 A189422 * A189424 A189425 A189426
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KEYWORD
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sign
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AUTHOR
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Vladimir Kruchinin, Apr 21 2011
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STATUS
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approved
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