Number of 3Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
A207209
Number of 3Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
Terms
- a(0) =25a(1) =625a(2) =11047a(3) =192640a(4) =3375548a(5) =59151458a(6) =1037800112a(7) =18215805862a(8) =319825973303
External references
- oeis: A207209