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A094822 E.g.f.: exp(3x)/(1-3x)^(1/3). 6
1, 4, 19, 118, 1021, 12088, 183727, 3389242, 73156249, 1804349548, 50009179819, 1537920654526, 51952155415381, 1911990785926432, 761372201611236999, 3661400435090171522, 1495330099101901409713, 7305923490645888605908 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Sum_{k = 0..n} A046716(n,k)*x^k give A000522(n), A081367(n) for x = 1, 2 respectively.

FORMULA

a(n) = Sum_{k = 0..n} A046716(n, k)*3^k.

CROSSREFS

Sequence in context: A060907 A163859 A197660 * A121125 A099953 A009324

Adjacent sequences:  A094819 A094820 A094821 * A094823 A094824 A094825

KEYWORD

nonn

AUTHOR

DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Jun 12 2004

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.