E.g.f: log(1+sinh(x)*sin(x))/2 (even powers only).

A024275

E.g.f: log(1+sinh(x)*sin(x))/2 (even powers only).

Terms

    a(0) =0a(1) =1a(2) =-6a(3) =116a(4) =-4816a(5) =342736a(6) =-37272576a(7) =5748462656

External references