Number of nonequivalent ways to place 7 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.
A279451
Number of nonequivalent ways to place 7 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) =115a(4) =11810a(5) =326190a(6) =4444935a(7) =38675954a(8) =246563232a(9) =1248782460a(10) =5296300670a(11) =19499431941a(12) =63958228738a(13) =190528987506a(14) =523151460045
External references
- oeis: A279451