Expansion of e.g.f. cos(tan(x)*arcsin(x)) (even powers only).

A012379

Expansion of e.g.f. cos(tan(x)*arcsin(x)) (even powers only).

Terms

    a(0) =1a(1) =0a(2) =-12a(3) =-360a(4) =-14000a(5) =-705600a(6) =-42520896a(7) =-2581394816a(8) =-50539790080

External references