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A357011
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E.g.f. satisfies A(x) * log(A(x)) = exp(x * A(x)^3) - 1.
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1
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1, 1, 6, 74, 1407, 36357, 1190476, 47254783, 2205546706, 118378505742, 7184030384361, 486440226752911, 36358328607088010, 2973464028723984551, 264119772408892921774, 25321946948812001539166, 2606224408648404660237647, 286624141573198517220290837
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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} (3*n-k+1)^(k-1) * Stirling2(n,k).
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PROG
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(PARI) a(n) = sum(k=0, n, (3*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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