A012112 arcsin(arcsin(arcsinh(x)))=x+1/3!*x^3+17/5!*x^5+337/7!*x^7+26081/9!*x^9...

1, 1, 17, 337, 26081, 1744865, 309508209, 45520971441, 14262333206209, 3762227031539905, 1815125042343268305, 760652468272079182097, 519897554030667139338913, 319124893510287714867264161

Offset

0,3

Links

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

Crossrefs

Sequence in context: A180676 A136270 A009046 * A294435 A361096 A137246

Adjacent sequences: A012109 A012110 A012111 * A012113 A012114 A012115

Keyword

nonn

Author

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

Status

approved