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

A009742

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

Terms

    a(0) =0a(1) =2a(2) =12a(3) =118a(4) =536a(5) =-116246a(6) =-16364252a(7) =-2126232482a(8) =-306170653648

External references