arctanh(tan(arcsinh(x))) = x+3/3!*x^3+49/5!*x^5+1915/7!*x^7+143905/9!*x^9...
A012166
arctanh(tan(arcsinh(x))) = x+3/3!*x^3+49/5!*x^5+1915/7!*x^7+143905/9!*x^9...
Terms
- a(0) =1a(1) =3a(2) =49a(3) =1915a(4) =143905a(5) =17011475a(6) =2994791825a(7) =719040113675
External references
- oeis: A012166