A012076 arcsin(arcsin(tan(x)))=x+4/3!*x^3+84/5!*x^5+4488/7!*x^7+458448/9!*x^9...

1, 4, 84, 4488, 458448, 76530048, 18958160064, 6533187385728, 2990371546714368, 1755799654033628160, 1286962755283219153920, 1152156355072706267179008, 1237421224352190570236497920

Offset

0,2

Links

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

Crossrefs

Sequence in context: A012025 A012107 A012189 * A173211 A109901 A367522

Adjacent sequences: A012073 A012074 A012075 * A012077 A012078 A012079

Keyword

nonn

Author

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

Status

approved