Number of ways to place 8 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.
A279442
Number of ways to place 8 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =90a(4) =67950a(5) =4531950a(6) =109425330a(7) =1460297160a(8) =13112872920a(9) =88456195800a(10) =480149029800
External references
- oeis: A279442