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A013529 Numerator of [x^n] in the Taylor expansion exp(cosec(x) - cosech(x)) = 1 + x/3 + x^2/18 + x^3/162 + x^4/1944 + 211*x^5/51030 + ... 3
1, 1, 1, 1, 1, 211, 5029, 157, 6697, 439801, 375719873, 8013839, 186044689, 890107609, 1770350411, 1552280998637, 102625697881591, 76919615326361, 15912188224095499151, 25930051873454543, 1419184560088744177499, 659157886816533334709, 323645955378411578735051, 1513017447627551117359, 935339682040604214800761, 6612344442139455641066609, 36813244507954712597112169117, 112537977176478238359834596179, 45816041290074218754101655557981 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,6
LINKS
MATHEMATICA
Numerator[CoefficientList[Series[Exp[1/Sin[x] - 1/Sinh[x]], {x, 0, 25}], x]] (* G. C. Greubel, Nov 11 2016 *)
CROSSREFS
Cf. A068917.
Sequence in context: A271979 A185719 A224101 * A229519 A289983 A212851
KEYWORD
nonn,frac
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Name edited by R. J. Mathar, Dec 20 2011
STATUS
approved

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Last modified May 29 20:11 EDT 2024. Contains 372952 sequences. (Running on oeis4.)