arctan(arcsinh(x)*cos(x))=x-6/3!*x^3+128/5!*x^5-7784/7!*x^7...

A012638

arctan(arcsinh(x)*cos(x))=x-6/3!*x^3+128/5!*x^5-7784/7!*x^7...

Terms

    a(0) =1a(1) =-6a(2) =128a(3) =-7784a(4) =863168a(5) =-153777536a(6) =40156766336

External references