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A012112 arcsin(arcsin(arcsinh(x)))=x+1/3!*x^3+17/5!*x^5+337/7!*x^7+26081/9!*x^9... 0
1, 1, 17, 337, 26081, 1744865, 309508209, 45520971441, 14262333206209, 3762227031539905, 1815125042343268305, 760652468272079182097, 519897554030667139338913, 319124893510287714867264161 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

CROSSREFS

Sequence in context: A180676 A136270 A009046 * A137246 A171860 A191589

Adjacent sequences:  A012109 A012110 A012111 * A012113 A012114 A012115

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified May 19 12:19 EDT 2013. Contains 225429 sequences.