A012623 sin(arcsinh(x)*arctan(x))=2/2!*x^2-12/4!*x^4+118/6!*x^6+168/8!*x^8...

2, -12, 118, 168, -314838, 60653340, -12586913250, 3145598341200, -959740793965230, 355199264316850500, -157666664319013951290, 82936567630998372808440, -51114833501551851944029830

Offset

0,1

Links

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

Crossrefs

Sequence in context: A372200 A290840 A012628 * A009742 A279201 A121425

Adjacent sequences: A012620 A012621 A012622 * A012624 A012625 A012626

Keyword

sign

Author

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

Status

approved