arctan(arcsinh(x)+arcsin(x))=2*x-16/3!*x^3+786/5!*x^5-95184/7!*x^7...

A013088

arctan(arcsinh(x)+arcsin(x))=2*x-16/3!*x^3+786/5!*x^5-95184/7!*x^7...

Terms

    a(0) =2a(1) =-16a(2) =786a(3) =-95184a(4) =21536802a(5) =-7826481936

External references