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A375867
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E.g.f. satisfies A(x) = exp( 2 * (exp(x*A(x)^(1/2)) - 1) ).
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0
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1, 2, 10, 82, 950, 14324, 266994, 5940218, 153797742, 4545958914, 151125136298, 5583189029004, 226989660492422, 10073099346726602, 484570780412539874, 25120235800280494530, 1396186059626363259038, 82828021612821756140124
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = 2 * Sum_{k=0..n} (n+2)^(k-1) * Stirling2(n,k).
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PROG
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(PARI) a(n) = 2*sum(k=0, n, (n+2)^(k-1)*stirling(n, k, 2));
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CROSSREFS
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KEYWORD
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nonn,new
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AUTHOR
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STATUS
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approved
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