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A009610 sinh(sinh(x)*tan(x)) = 2/2!*x^2 + 12/4!*x^4 + 262/6!*x^6 + 13272/8!*x^8 + ... 2
0, 2, 12, 262, 13272, 957962, 92373732, 11700940942, 1898239676592, 383856666320402, 94495162415525052, 27775889989675653142, 9596246875502670987912, 3846428998586880438721562, 1769213328996568414223239572, 925116125161545668585359733662 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sinh[Tan[x]*Sinh[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Feb 21 2013 *)
CROSSREFS
Sequence in context: A320212 A361749 A012549 * A012546 A193204 A289314
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested Mar 15 1997 by Olivier Gérard.
More terms from Harvey P. Dale, Feb 21 2013
STATUS
approved

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Last modified June 14 11:11 EDT 2024. Contains 373396 sequences. (Running on oeis4.)