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

A024260

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

Terms

    a(0) =0a(1) =1a(2) =4a(3) =84a(4) =3104a(5) =182992a(6) =15879616a(7) =1899519552a(8) =299663676416

External references