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A143476 Denominator of the coefficient of z^(2n) in the Stirling-like asymptotic expansion of the hyperfactorial function A002109. 1
1, 720, 7257600, 15676416000, 3476402012160000, 162695614169088000000, 4919915372473221120000000, 60219764159072226508800000000, 507464726196802564122476544000000000 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Hyperfactorial

EXAMPLE

(Glaisher*(1 - 1433/(7257600*z^4) + 1/(720*z^2))*z^(1/12 + (z*(1 + z))/2))/E^(z^2/4)

CROSSREFS

Cf. A002109, A143475.

Sequence in context: A030185 A010799 A075754 * A008979 A158044 A181751

Adjacent sequences:  A143473 A143474 A143475 * A143477 A143478 A143479

KEYWORD

nonn,frac

AUTHOR

E. W. Weisstein (eric(AT)weisstein.com), Aug 19, 2008

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Last modified February 15 14:57 EST 2012. Contains 205823 sequences.