arctan(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4-82/6!*x^6+3096/8!*x^8...

A012435

arctan(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4-82/6!*x^6+3096/8!*x^8...

Terms

    a(0) =2a(1) =-4a(2) =-82a(3) =3096a(4) =256122a(5) =-30668460a(6) =856747110a(7) =523284711600

External references