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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
OFFSET
0,3
CROSSREFS
Sequence in context: A180676 A136270 A009046 * A294435 A361096 A137246
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved