Number of ways of placing 2n points on n X n grid so no 3 are in a line (solutions with no symmetry).
A037185
Number of ways of placing 2n points on n X n grid so no 3 are in a line (solutions with no symmetry).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =3a(5) =4a(6) =11a(7) =40a(8) =41a(9) =132a(10) =122a(11) =524a(12) =407a(13) =1284a(14) =3681a(15) =5683a(16) =6800a(17) =18853
External references
- oeis: A037185