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A371328
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E.g.f. satisfies A(x) = -log(1 - x/(1 - A(x)))/(1 - A(x))^2.
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1
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0, 1, 7, 113, 2938, 105834, 4879000, 274224572, 18187943160, 1390554133968, 120409669582344, 11647509131446176, 1244851706649736752, 145678148868683971968, 18526475978057250378144, 2544152133023519899503168, 375205794133263843411479040
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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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a(n) = Sum_{k=1..n} (n+3*k-2)!/(n+2*k-1)! * |Stirling1(n,k)|.
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PROG
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(PARI) a(n) = sum(k=1, n, (n+3*k-2)!/(n+2*k-1)!*abs(stirling(n, k, 1)));
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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