A012385 sec(tan(x)*arcsin(x))=1+12/4!*x^4+360/6!*x^6+24080/8!*x^8...

1, 0, 12, 360, 24080, 2520000, 388466496, 82494828416, 23101056559360, 8247662229497856, 3656849221865495552, 1971359917831265798144, 1269841106398055675924480, 963238435991748310206791680

Offset

0,3

Links

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

Crossrefs

Sequence in context: A279182 A002674 A012552 * A012430 A012632 A081791

Adjacent sequences: A012382 A012383 A012384 * A012386 A012387 A012388

Keyword

nonn

Author

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

Status

approved