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A009154
E.g.f.: Expansion of cosh(sinh(x)*log(1+x)).
0
1, 0, 0, 0, 12, -60, 450, -2940, 24080, -215712, 2245320, -25552560, 318861576, -4280157024, 61675886272, -948295464480, 15514105784320, -269094947517824, 4934169151898304, -95367032452388736, 1937946889478705792
OFFSET
0,5
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Cosh[Sinh[x]Log[1+x]], {x, 0, nn}], x]Range[0, nn]!] (* Harvey P. Dale, Jun 06 2012 *)
CROSSREFS
Sequence in context: A012315 A009062 A012308 * A012313 A012517 A012314
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Definition clarified by Harvey P. Dale, Jun 06 2012
STATUS
approved