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A012064 arcsin(arcsin(arcsin(x)))=x+3/3!*x^3+57/5!*x^5+2747/7!*x^7+249777/9!*x^9... 0
1, 3, 57, 2747, 249777, 36846835, 8040193769, 2437436057131, 981033890934369, 506479242594080227, 326455632550618599065, 257043518901496857566107, 242838347551317678123524113 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[ArcSin[ArcSin[ArcSin[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 06 2019 *)

CROSSREFS

Sequence in context: A012090 A210674 A281184 * A012204 A000281 A350306

Adjacent sequences:  A012061 A012062 A012063 * A012065 A012066 A012067

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified May 28 05:47 EDT 2022. Contains 354112 sequences. (Running on oeis4.)