arctanh(arcsin(tan(x)))=x+5/3!*x^3+129/5!*x^5+8133/7!*x^7+949281/9!*x^9...

A012083

arctanh(arcsin(tan(x)))=x+5/3!*x^3+129/5!*x^5+8133/7!*x^7+949281/9!*x^9...

Terms

    a(0) =1a(1) =5a(2) =129a(3) =8133a(4) =949281a(5) =177127653a(6) =48290752353

External references