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A009706
tan(sinh(x)*tan(x))=2/2!*x^2+12/4!*x^4+382/6!*x^6+23352/8!*x^8...
2
0, 2, 12, 382, 23352, 2223002, 318236292, 63069898582, 16506522005232, 5516152886719922, 2290713333669640572, 1156963264109505327022, 698325697094916345135912, 496389417580098665436907082
OFFSET
0,2
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Tan[Tan[x]*Sinh[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, May 22 2017 *)
CROSSREFS
Sequence in context: A251182 A266241 A012547 * A012551 A156509 A229919
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested Mar 15 1997 by Olivier Gérard.
Previous Mathematica program replaced by Harvey P. Dale, May 22 2017
STATUS
approved