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

A009657

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

Terms

    a(0) =1a(1) =0a(2) =-12a(3) =88a(4) =4176a(5) =-238912a(6) =-1798976a(7) =1359954560a(8) =-82934087424

External references