Number of nX5 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.
A207476
Number of nX5 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.
Terms
- a(0) =788a(1) =620944a(2) =236422326a(3) =103954441786
External references
- oeis: A207476