A012921 cosh(arcsin(x)+sin(x))=1+4/2!*x^2+16/4!*x^4+184/6!*x^6+8320/8!*x^8...

1, 4, 16, 184, 8320, 529824, 52633728, 7595502464, 1487529832448, 380497987834368, 123182327672588288, 49234752596303947776, 23812565081465676070912, 13707078729819239829938176

Offset

0,2

Links

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

Crossrefs

Sequence in context: A130691 A308239 A012916 * A280468 A366818 A224802

Adjacent sequences: A012918 A012919 A012920 * A012922 A012923 A012924

Keyword

nonn

Author

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

Status

approved