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A356972
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E.g.f. satisfies log(A(x)) = (exp(x * A(x)^2) - 1) * A(x).
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3
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1, 1, 8, 128, 3139, 104382, 4393590, 224045271, 13428576766, 925335827928, 72082558060889, 6264277731652096, 600873473776204782, 63059026039778220285, 7187299097301622432156, 884141943373486896560252, 116756337165196381259759707, 16474480747756013055963484442
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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=0..n} (2*n+k+1)^(k-1) * Stirling2(n,k).
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PROG
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(PARI) a(n) = sum(k=0, n, (2*n+k+1)^(k-1)*stirling(n, k, 2));
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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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