-arctan(arcsin(x)-arctanh(x))=1/3!*x^3+15/5!*x^5+495/7!*x^7+28735/9!*x^9...

A013433

-arctan(arcsin(x)-arctanh(x))=1/3!*x^3+15/5!*x^5+495/7!*x^7+28735/9!*x^9...

Terms

    a(0) =0a(1) =1a(2) =15a(3) =495a(4) =28735a(5) =2597175a(6) =337740975a(7) =59815330575

External references