Number of nX5 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
A206971
Number of nX5 0..3 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) =882a(1) =777924a(2) =419203246a(3) =223912418544
External references
- oeis: A206971