arcsinh(cos(x)*arctan(x))=x-6/3!*x^3+108/5!*x^5-5880/7!*x^7...

A012503

arcsinh(cos(x)*arctan(x))=x-6/3!*x^3+108/5!*x^5-5880/7!*x^7...

Terms

    a(0) =1a(1) =-6a(2) =108a(3) =-5880a(4) =624848a(5) =-110121440a(6) =29157594048

External references