Expansion of tanh(tan(x)*sin(x))/2.

A024239

Expansion of tanh(tan(x)*sin(x))/2.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =-89a(4) =-2668a(5) =60541a(6) =12497462a(7) =330911491a(8) =-136964474008

External references