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Search: id:A059239
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| A059239 |
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Numerators of coefficients of asymptotic expansion related to iterated sine function. |
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+0
2
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| 1, 1, 3, 2, 3, 18, 1382, 12, 32553, 87734, 1047666, 2796588, 1418184546, 23685516, 366420255876, 13785346041608, 23127963123651, 2729316555918, 52630543106106954746, 1850522471899932, 4699488932936084196918, 18241171727016849632292
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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N. G. de Bruijn, Asymptotic Methods in Analysis, North-Holland, 3rd. ed., 1970; see p. 158, (8.6.4).
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FORMULA
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(1-2*n)*(-12)^n*Bernoulli(2*n)/(2*n)!.
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MAPLE
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(1-2*n)*(-12)^n*bernoulli(2*n)/(2*n)!;
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CROSSREFS
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Cf. A059240.
Sequence in context: A081850 A059366 A092950 this_sequence A123170 A091806 A139170
Adjacent sequences: A059236 A059237 A059238 this_sequence A059240 A059241 A059242
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KEYWORD
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nonn,easy,frac
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jan 21 2001
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