Expansion of e.g.f. cos(x*sin(x)) (even power only).

A009050

Expansion of e.g.f. cos(x*sin(x)) (even power only).

Terms

    a(0) =1a(1) =0a(2) =-12a(3) =120a(4) =784a(5) =-95040a(6) =3292608a(7) =-9423232a(8) =-9230042880a(9) =890079012864

External references