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A068918 Denominators of coefficients in 1/sin(x) - 1/sinh(x) power series. 2
3, 7560, 1710720, 18681062400, 1277273554292736000, 71944387956080640000, 46533630129992957952000000, 189947572911510017089460502528000000, 161800949418855027866798653440000000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Denominator[CoefficientList[Series[1/Sin[x] - 1/Sinh[x], {x, 0, 50}], x]], # != 1 &] (* G. C. Greubel, Nov 11 2016 *)
CROSSREFS
Cf. A068917.
Sequence in context: A062595 A128147 A326391 * A356645 A362124 A158036
KEYWORD
easy,frac,nonn
AUTHOR
Benoit Cloitre, Mar 29 2002
STATUS
approved

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)