Take an n X n square grid of points in the plane; a(n) = number of non-isomorphic ways to divide the points into two sets using a straight line.
A116696
Take an n X n square grid of points in the plane; a(n) = number of non-isomorphic ways to divide the points into two sets using a straight line.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =15a(4) =29a(5) =59a(6) =99a(7) =170a(8) =262a(9) =401a(10) =570a(11) =816a(12) =1103a(13) =1499a(14) =1956a(15) =2534a(16) =3195a(17) =4041a(18) =4980a(19) =6153a(20) =7448a(21) =8985a(22) =10674a(23) =12704a(24) =14899a(25) =17473a(26) =20262a(27) =23467a(28) =26914a(29) =30905
External references
- oeis: A116696