A012384 cosh(tan(x)*arcsin(x))=1+12/4!*x^4+360/6!*x^6+17360/8!*x^8...

1, 0, 12, 360, 17360, 1310400, 144530496, 21954348416, 4395670339840, 1123588067813376, 357961496153111552, 139464080335428552704, 65410617565591737749504, 36435637291817171826196480

Offset

0,3

Links

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

Crossrefs

Sequence in context: A012424 A009165 A012627 * A012429 A012631 A327986

Adjacent sequences: A012381 A012382 A012383 * A012385 A012386 A012387

Keyword

nonn

Author

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

Status

approved