arctan(arctan(arcsin(x)))=x-3/3!*x^3+57/5!*x^5-2419/7!*x^7+198801/9!*x^9...
A012196
arctan(arctan(arcsin(x)))=x-3/3!*x^3+57/5!*x^5-2419/7!*x^7+198801/9!*x^9...
Terms
- a(0) =1a(1) =-3a(2) =57a(3) =-2419a(4) =198801a(5) =-25335395a(6) =4816346441
External references
- oeis: A012196