A012441 cosh(arctan(x)*arcsin(x))=1+12/4!*x^4-120/6!*x^6+11088/8!*x^8...

1, 0, 12, -120, 11088, -559680, 96647232, -11918734464, 3443607499008, -785681136728064, 344346566147423232, -125647543062169835520, 77921368897600000020480, -41570816325816575416320000

Offset

0,3

Links

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

Crossrefs

Sequence in context: A012619 A012563 A301898 * A012373 A012620 A012564

Adjacent sequences: A012438 A012439 A012440 * A012442 A012443 A012444

Keyword

sign

Author

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

Status

approved