Number of 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.
A279441
Number of 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) =816a(4) =93000a(5) =2602800a(6) =35526120a(7) =309328320a(8) =1972234656a(9) =9989784000a(10) =42369069600a(11) =155993500080a(12) =511660972680
External references
- oeis: A279441