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A025759 6th order Vatalan numbers (generalization of Catalan numbers). +0
2
1, 1, 16, 361, 9346, 260710, 7622290, 230167345, 7116228250, 224012186830, 7152402830440, 230999414308090, 7531444277855740, 247510726140787240, 8189274963276187990, 272537576338530727585, 9116110475685684958810 (list; graph; listen)
OFFSET

0,3

LINKS

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

FORMULA

G.f.: ${6\over {5+\root 6 \of {1-36x}}}$

CROSSREFS

a(n), n >= 1, = row sums of triangle A049224.

Sequence in context: A094101 A034673 A000488 this_sequence A008427 A053105 A027403

Adjacent sequences: A025756 A025757 A025758 this_sequence A025760 A025761 A025762

KEYWORD

nonn

AUTHOR

Olivier Gerard (ogerard(AT)ext.jussieu.fr)

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.


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