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A013050 sinh(sinh(x)+tan(x))=2*x+11/3!*x^3+169/5!*x^5+4769/7!*x^7... 0
2, 11, 169, 4769, 217609, 14606605, 1350221253, 164081870257, 25322934226033, 4832627675466965, 1116477298604666173, 306896930595302899225, 98935734981363698562921, 36952245642471703525265917, 15824218933803302068656112629 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..14.

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[Sinh[Sinh[x]+Tan[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Jul 22 2015 *)

CROSSREFS

Sequence in context: A067968 A295269 A197336 * A051255 A120445 A003088

Adjacent sequences:  A013047 A013048 A013049 * A013051 A013052 A013053

KEYWORD

nonn

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

EXTENSIONS

More terms from Harvey P. Dale, Jul 22 2015

STATUS

approved

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Last modified December 3 02:46 EST 2021. Contains 349445 sequences. (Running on oeis4.)