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A143968 Denominators of numbers with g.f. exp(1-(1-x)^(1/2)). 3
1, 2, 4, 48, 384, 1920, 46080, 645120, 5160960, 185794560, 530841600, 40874803200, 280284364800, 51011754393600, 714164561510400, 42849873690624000, 1371195958099968000, 302731575164928000, 1678343852714360832000, 100120983364435968000, 1275541328062914232320000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..20.

EXAMPLE

1, 1/2, 1/4, 7/48, 37/384, 133/1920, 2431/46080, 27007/645120, 176761/5160960, ...

CROSSREFS

Cf. A143991, A001515.

Sequence in context: A298903 A144580 A144578 * A308665 A097424 A228596

Adjacent sequences:  A143965 A143966 A143967 * A143969 A143970 A143971

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Dec 02 2008

STATUS

approved

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Last modified August 20 01:14 EDT 2019. Contains 326136 sequences. (Running on oeis4.)