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A013383 cos(sin(x)-tanh(x))=1-10/6!*x^6+840/8!*x^8-60870/10!*x^10... 0
1, 0, 0, -10, 840, -60870, 4980580, -501501130, 63445348720, -10063325322190, 1976669210391260, -472760236462102450, 135256173623772004200, -45534410854433395672310, 17782334849654204122443540 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[Cos[Sin[x]-Tanh[x]], {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Feb 16 2012 *)

CROSSREFS

Sequence in context: A104906 A013386 A013385 * A013387 A013438 A013434

Adjacent sequences:  A013380 A013381 A013382 * A013384 A013385 A013386

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)