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A009539
Expansion of sin(x)*cosh(tan(x)).
0
1, 2, 36, 944, 41104, 2650592, 237023424, 28021573376, 4225816615168, 790713657219584, 179579770991391744, 48624187236528582656, 15465493506159120388096, 5706480969286870250971136
OFFSET
0,2
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sin[x]*Cosh[Tan[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 03 2015 *)
CROSSREFS
Sequence in context: A001626 A166473 A279575 * A009554 A209036 A375839
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested Mar 15 1997 by Olivier Gérard.
Prior Mathematica program replaced by Harvey P. Dale, May 03 2015
STATUS
approved