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A098279 D(n,1)/2^n, where D(n,x) is triangle A098277. +0
2
1, 2, 10, 98, 1594, 38834, 1323658, 60134210, 3511695322, 256306614866, 22861774551466, 2446866564603362, 309483997093321210, 45666236465616727538, 7774748058886412485834 (list; graph; listen)
OFFSET

0,2

LINKS

A. Randrianarivony and J. Zeng, Une famille des polynomes qui interpole plusieurs suites..., Adv. Appl. Math. 17 (1996), 1-26.

FORMULA

G.f.: Sum[n>=0, a(n)x^n] = 1/(1-1*2t/(1-1*3t/(1-2*4t/(1-2*5t/...)))).

CROSSREFS

Sequence in context: A069247 A087799 A124214 this_sequence A099826 A063959 A101686

Adjacent sequences: A098276 A098277 A098278 this_sequence A098280 A098281 A098282

KEYWORD

nonn

AUTHOR

Ralf Stephan, Sep 07 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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