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A012063 exp(arcsin(arcsin(x)))=1+x+1/2!*x^2+3/3!*x^3+9/4!*x^4+49/5!*x^5... 0
1, 1, 1, 3, 9, 49, 249, 1963, 14129, 146017, 1362961, 17450227, 200409465, 3064381137, 41812246345, 744091967643, 11765081428705, 239039270010305, 4298599985014945, 98237724213189475, 1980239469431883625 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..20.

MATHEMATICA

With[{nn=30}, CoefficientList[Series[Exp[ArcSin[ArcSin[x]]], {x, 0, nn}], x]Range[0, nn]!] (* Harvey P. Dale, Jan 04 2012 *)

CROSSREFS

Sequence in context: A141051 A001530 A190009 * A036751 A260156 A058110

Adjacent sequences:  A012060 A012061 A012062 * A012064 A012065 A012066

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Confirmed by N. J. A. Sloane, Dec 17 2011

STATUS

approved

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Last modified November 18 09:09 EST 2017. Contains 294879 sequences.