Expansion of e.g.f. sin(x*cos(x)) (odd powers only).

A009446

Expansion of e.g.f. sin(x*cos(x)) (odd powers only).

Terms

    a(0) =1a(1) =-4a(2) =36a(3) =-848a(4) =23824a(5) =-871872a(6) =44942912a(7) =-2860930816a(8) =213856723200

External references