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A049378 Row sums of triangle A049353. +0
3
1, 6, 46, 436, 4956, 65776, 996976, 16957536, 319259296, 6581662336, 147290942976, 3552885191296, 91827536814976, 2530228890080256, 74003737259670016, 2288810287491774976, 74607500831801289216 (list; graph; listen)
OFFSET

1,2

LINKS

W. Lang, On generalizations of Stirling number triangles, J. Integer Seqs., Vol. 3 (2000), #00.2.4.

FORMULA

E.g.f. exp(p(x))-1 with p(x) := x*(2-x)*(2-2*x+x^2)/(4*(1-x)^4) (E.g.f. first column of A049353).

CROSSREFS

Sequence in context: A084772 A111531 A052781 this_sequence A001829 A006386 A094655

Adjacent sequences: A049375 A049376 A049377 this_sequence A049379 A049380 A049381

KEYWORD

nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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