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A012160 sin(tan(arcsinh(x)))=x-4/5!*x^5-136/7!*x^7+272/9!*x^9-222016/11!*x^11... 0
1, 0, -4, -136, 272, -222016, 21267520, -3836913536, 874251520256, -254117293340672, 92635637659667456, -41075111126460016640, 21845766688887149694976, -13711633858766326011314176 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[Sin[Tan[ArcSinh[x]]], {x, 0, nn}], x] Range[ 0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Apr 22 2022 *)

CROSSREFS

Sequence in context: A006429 A016483 A102986 * A012197 A202299 A024264

Adjacent sequences:  A012157 A012158 A012159 * A012161 A012162 A012163

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified July 2 16:36 EDT 2022. Contains 355029 sequences. (Running on oeis4.)