A012015 arcsinh(sin(tan(x)))=x-4/5!*x^5-192/7!*x^7-7600/9!*x^9-507136/11!*x^11...

1, 0, -4, -192, -7600, -507136, -40159040, -4621348864, -627047126784, -113424912867328, -23612736247718912, -6196586681702039552, -1827473399583593672704, -652336666072894806360064

Offset

0,3

Links

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

Crossrefs

Sequence in context: A172809 A123116 A163839 * A012102 A274304 A299999

Adjacent sequences: A012012 A012013 A012014 * A012016 A012017 A012018

Keyword

sign

Author

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

Status

approved