arctan(arcsin(arcsin(x)))=x+12/5!*x^5+248/7!*x^7+21648/9!*x^9...
A012066
arctan(arcsin(arcsin(x)))=x+12/5!*x^5+248/7!*x^7+21648/9!*x^9...
Terms
- a(0) =1a(1) =0a(2) =12a(3) =248a(4) =21648a(5) =2241088a(6) =390536000a(7) =91111189120
External references
- oeis: A012066