arcsinh(arcsinh(x)*cos(x))=x-5/3!*x^3+73/5!*x^5-3565/7!*x^7...

A012640

arcsinh(arcsinh(x)*cos(x))=x-5/3!*x^3+73/5!*x^5-3565/7!*x^7...

Terms

    a(0) =1a(1) =-5a(2) =73a(3) =-3565a(4) =337873a(5) =-53181845a(6) =12563583641

External references