arctanh(arcsin(arcsinh(x)))=x+2/3!*x^3+32/5!*x^5+1000/7!*x^7+68480/9!*x^9...
A012119
arctanh(arcsin(arcsinh(x)))=x+2/3!*x^3+32/5!*x^5+1000/7!*x^7+68480/9!*x^9...
Terms
- a(0) =1a(1) =2a(2) =32a(3) =1000a(4) =68480a(5) =6561664a(6) =1023602304a(7) =201257787648
External references
- oeis: A012119