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A054912 E.g.f.: sqrt(exp(5*x)/(2-exp(x))). 0
1, 3, 10, 39, 187, 1128, 8455, 76359, 806032, 9715773, 131479675, 1972203654, 32464248277, 581680548543, 11267985324970, 234636397255299, 5226203231564047, 123980282579987688, 3120721375925421715, 83069463947823034419 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..19.

P. Peart and W.-J. Woan, Generating Functions via Hankel and Stieltjes Matrices, J. Integer Seqs., Vol. 3 (2000), #00.2.1.

FORMULA

a(n) ~ 4*sqrt(2)*n^n/(exp(n)*(log(2))^(n+1/2)). - Vaclav Kotesovec, Jun 27 2013

MATHEMATICA

CoefficientList[Series[Sqrt[E^(5*x)/(2-E^x)], {x, 0, 20}], x]* Range[0, 20]! (* Vaclav Kotesovec, Jun 27 2013 *)

CROSSREFS

Sequence in context: A307593 A221973 A303004 * A093463 A302989 A276641

Adjacent sequences:  A054909 A054910 A054911 * A054913 A054914 A054915

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 23 2000

STATUS

approved

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Last modified June 6 03:35 EDT 2020. Contains 334858 sequences. (Running on oeis4.)