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

A009472

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

Terms

    a(0) =1a(1) =0a(2) =-12a(3) =-248a(4) =-3504a(5) =115904a(6) =17130688a(7) =265254272a(8) =-452604387072

External references