A012475 arctan(cos(x)*sin(x))=x-6/3!*x^3+120/5!*x^5-7056/7!*x^7+758400/9!*x^9...

1, -6, 120, -7056, 758400, -130918656, 33173038080, -11587651270656, 5337660866396160, -3134856182239789056, 2286367634020679024640, -2027369655249396662009856, 2147914157998443571728875520

Offset

0,2

Links

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

Crossrefs

Sequence in context: A012641 A012795 A054479 * A053777 A023199 A355757

Adjacent sequences: A012472 A012473 A012474 * A012476 A012477 A012478

Keyword

sign

Author

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

Status

approved