E.g.f.: arcsinh(arctan(arctanh(x)))=x-1/3!*x^3+17/5!*x^5-281/7!*x^7+24257/9!*x^9...
A012235
E.g.f.: arcsinh(arctan(arctanh(x)))=x-1/3!*x^3+17/5!*x^5-281/7!*x^7+24257/9!*x^9...
Terms
- a(0) =1a(1) =-1a(2) =17a(3) =-281a(4) =24257a(5) =-1331441a(6) =275798481a(7) =-33388170825
External references
- oeis: A012235