A013053 cosh(sinh(x)+tan(x))=1+4/2!*x^2+40/4!*x^4+838/6!*x^6+30552/8!*x^8...

1, 4, 40, 838, 30552, 1707386, 135377180, 14418478134, 1981956038800, 341140167526450, 71801774865134884, 18129869560471615566, 5405857829920953229464, 1878454353945148977036042

Offset

0,2

Links

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

Crossrefs

Sequence in context: A053514 A325293 A121276 * A055128 A117251 A220404

Adjacent sequences: A013050 A013051 A013052 * A013054 A013055 A013056

Keyword

nonn

Author

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

Status

approved