A012487 arcsinh(cos(x)*arcsin(x))=x-3/3!*x^3+33/5!*x^5-1155/7!*x^7+91553/9!*x^9...

1, -3, 33, -1155, 91553, -10478435, 2004751617, -496122561571, 172663180364481, -74458608812963395, 41124360344562400097, -27302583872806500602179, 21988222585362167359370081

Offset

0,2

Links

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

Crossrefs

Sequence in context: A255930 A255883 A215948 * A188387 A113111 A118188

Adjacent sequences: A012484 A012485 A012486 * A012488 A012489 A012490

Keyword

sign

Author

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

Status

approved