Number of non-equivalent (mod D_4) ways to arrange 4 points on an n X n square grid so that no three points are collinear.
A235455
Number of non-equivalent (mod D_4) ways to arrange 4 points on an n X n square grid so that no three points are collinear.
Terms
- a(0) =1a(1) =15a(2) =181a(3) =1253a(4) =6044a(5) =22302a(6) =68661a(7) =183645a(8) =439578a(9) =964938a(10) =1974128a(11) =3801457a(12) =6966581
External references
- oeis: A235455