Expansion of sin(tan(x))*cosh(x).

A009506

Expansion of sin(tan(x))*cosh(x).

Terms

    a(0) =1a(1) =4a(2) =12a(3) =-296a(4) =-25200a(5) =-1885952a(6) =-163728576a(7) =-16916558720

External references