E.g.f. (even powers only) cos(x)^(cos(x)-1).

A191463

E.g.f. (even powers only) cos(x)^(cos(x)-1).

Terms

    a(0) =1a(1) =0a(2) =6a(3) =15a(4) =1596a(5) =28155a(6) =2752266a(7) =152499165a(8) =18328556616

External references