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A277001 Denominators of an asymptotic series for the Gamma function (even power series). 5
1, 24, 5760, 2903040, 1393459200, 367873228800, 24103053950976000, 115694658964684800, 9440684171518279680000, 271211974879377138647040000, 3579998068407778230140928000000, 1976158933761093583037792256000000, 258955866680053703121272297226240000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

For formulas and references see A277000 which is the main entry for this rational sequence.

LINKS

Table of n, a(n) for n=0..12.

EXAMPLE

The underlying rational sequence starts:

1, 0, -1/24, 0, 19/5760, 0, -2561/2903040, 0, 874831/1393459200, 0, ...

MAPLE

b := n -> CompleteBellB(n, 0, seq((k-2)!*bernoulli(k, 1/2), k=2..n))/n!:

A277001 := n -> denom(b(2*n)): seq(A277001(n), n=0..12);

CROSSREFS

Cf. A277000 (numerators), A277002/A277003 (odd power series).

Sequence in context: A002555 A239898 A002198 * A163576 A145408 A175672

Adjacent sequences:  A276998 A276999 A277000 * A277002 A277003 A277004

KEYWORD

nonn,frac

AUTHOR

Peter Luschny, Sep 25 2016

STATUS

approved

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Last modified October 20 17:39 EDT 2017. Contains 293648 sequences.