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A059240 Denominators of coefficients of asymptotic expansion related to iterated sine function. +0
2
1, 1, 5, 7, 25, 385, 79625, 1925, 14889875, 116491375, 4094715625, 32534376875, 49558343209375, 2505147019375, 118055053288046875, 13604013002689484375, 70242756706387890625, 25617946563506171875, 1532331197299213611691015625 (list; graph; listen)
OFFSET

0,3

REFERENCES

N. G. de Bruijn, Asymptotic Methods in Analysis, North-Holland, 3rd. ed., 1970; see p. 158, (8.6.4).

FORMULA

(1-2*n)*(-12)^n*Bernoulli(2*n)/(2*n)!.

MAPLE

(1-2*n)*(-12)^n*bernoulli(2*n)/(2*n)!;

CROSSREFS

Cf. A059239.

Adjacent sequences: A059237 A059238 A059239 this_sequence A059241 A059242 A059243

Sequence in context: A100095 A013626 A067701 this_sequence A135606 A051845 A029668

KEYWORD

nonn,easy,frac

AUTHOR

njas, Jan 21 2001

page 1

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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