Number of nX5 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal.
A207280
Number of nX5 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal.
Terms
- a(0) =788a(1) =620944a(2) =181121542a(3) =65396633910
External references
- oeis: A207280