A012958 sec(tan(x)+arcsin(x))=1+4/2!*x^2+104/4!*x^4+6694/6!*x^6+801048/8!*x^8...

1, 4, 104, 6694, 801048, 153856794, 43323364476, 16817632212294, 8608497639495696, 5618149971940668018, 4553225539309052888516, 4486447408838286577963006, 5281810573883783813034431960

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Crossrefs

Sequence in context: A098696 A013054 A024262 * A012984 A202683 A013114

Adjacent sequences: A012955 A012956 A012957 * A012959 A012960 A012961

Keyword

nonn

Author

Patrick Demichel

Status

approved