Expansion of tan(sin(x))/cos(x).

A009668

Expansion of tan(sin(x))/cos(x).

Terms

    a(0) =1a(1) =4a(2) =32a(3) =432a(4) =10752a(5) =504832a(6) =35418112a(7) =3115462656a(8) =333569720320

External references