arctan(sec(x)*arcsin(x))=x+2/3!*x^3-12/5!*x^5-432/7!*x^7+10000/9!*x^9...

A012786

arctan(sec(x)*arcsin(x))=x+2/3!*x^3-12/5!*x^5-432/7!*x^7+10000/9!*x^9...

Terms

    a(0) =1a(1) =2a(2) =-12a(3) =-432a(4) =10000a(5) =1500512a(6) =-18269760a(7) =-16350361856a(8) =922523568384

External references