sin(tan(x)-arctanh(x))=-8/5!*x^5-448/7!*x^7-32384/9!*x^9...

A013457

sin(tan(x)-arctanh(x))=-8/5!*x^5-448/7!*x^7-32384/9!*x^9...

Terms

    a(0) =8a(1) =448a(2) =32384a(3) =3275008a(4) =456633344a(5) =85209957376

External references