Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..3 introduced in row major order.
A205163
Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =13a(1) =159a(2) =2277a(3) =33831a(4) =506493a(5) =7594479a(6) =113908437a(7) =1708600311a(8) =25628925933a(9) =384433652799
External references
- oeis: A205163