Number of 4Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
A206842
Number of 4Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
Terms
- a(0) =241a(1) =58081a(2) =11086238a(3) =2152805235a(4) =418964575189
External references
- oeis: A206842