a(1) = 3, a(2) = 4, a(n) = a(n-2)*a(n-1)-a(n-2)-a(n-1).

A173096

a(1) = 3, a(2) = 4, a(n) = a(n-2)*a(n-1)-a(n-2)-a(n-1).

Terms

    a(0) =3a(1) =4a(2) =5a(3) =11a(4) =39a(5) =379a(6) =14363a(7) =5428835a(8) =77968913907

External references