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A047798 Sum_{k=0..n} C(n,k)*Stirling2(n,k)^2. 0
1, 1, 3, 31, 443, 9006, 241147, 7956579, 318973867, 15061651528, 824029357046, 51526959899570, 3636995712432667, 287053182699020609, 25126145438688593769, 2421761360666327615911, 255466264644678162575691, 29336098320197429601856772 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A123818 A087591 A061053 * A126346 A142999 A143637

Adjacent sequences:  A047795 A047796 A047797 * A047799 A047800 A047801

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.