arcsinh(arctan(sin(x)))=x-4/3!*x^3+84/5!*x^5-4488/7!*x^7+450768/9!*x^9...

A012189

arcsinh(arctan(sin(x)))=x-4/3!*x^3+84/5!*x^5-4488/7!*x^7+450768/9!*x^9...

Terms

    a(0) =1a(1) =-4a(2) =84a(3) =-4488a(4) =450768a(5) =-73573248a(6) =17815591104

External references