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A074728 Sum_{k=1..n} k^(n-k)*binomial(n,k-1). +0
2
1, 3, 10, 39, 176, 903, 5174, 32623, 223792, 1655463, 13110758, 110510007, 986490272, 9287036671, 91872460702, 952034494431, 10305790066208, 116254839687543, 1363631057783942, 16599343732844455, 209328335818064176 (list; graph; listen)
OFFSET

1,2

FORMULA

E.g.f.: (exp(x*exp(x))-exp(x))/x.

CROSSREFS

Cf. A000248.

Sequence in context: A083862 A137590 A124532 this_sequence A087860 A054912 A093463

Adjacent sequences: A074725 A074726 A074727 this_sequence A074729 A074730 A074731

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 05 2002

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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