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A024276
Expansion of sinh(tan(x)*sinh(x))/2.
0
0, 1, 6, 131, 6636, 478981, 46186866, 5850470471, 949119838296, 191928333160201, 47247581207762526, 13887944994837826571, 4798123437751335493956, 1923214499293440219360781
OFFSET
0,3
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sinh[(Tan[x]Sinh[x])]/2, {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Jan 22 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested 03/97.
STATUS
approved