a(0) = 0, a(1) = 1, a(n) = a(n-2)*a(n-2) + 2 for n > 1.

A065653

a(0) = 0, a(1) = 1, a(n) = a(n-2)*a(n-2) + 2 for n > 1.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =11a(6) =38a(7) =123a(8) =1446a(9) =15131a(10) =2090918a(11) =228947163

External references