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A012092 sinh(arcsin(arctan(x)))=x+4/5!*x^5-32/7!*x^7+1936/9!*x^9-67328/11!*x^11... 1
1, 0, 4, -32, 1936, -67328, 4140096, 353591808, -262064131840, 130347373404160, -65058714844462080, 36397620373403361280, -23130160076947953643520, 16791590408623398030868480 (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[Sinh[ArcSin[ArcTan[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 12 2016 *)

CROSSREFS

Sequence in context: A053005 A257583 A258122 * A027639 A117620 A059904

Adjacent sequences:  A012089 A012090 A012091 * A012093 A012094 A012095

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified October 16 02:42 EDT 2018. Contains 316252 sequences. (Running on oeis4.)