Take an n X n square grid of points in the plane; a(n) = number of ways to divide the points into two sets using a straight line.
A114043
Take an n X n square grid of points in the plane; a(n) = number of ways to divide the points into two sets using a straight line.
Terms
- a(0) =1a(1) =7a(2) =29a(3) =87a(4) =201a(5) =419a(6) =749a(7) =1283a(8) =2041a(9) =3107a(10) =4493a(11) =6395a(12) =8745a(13) =11823a(14) =15557a(15) =20075a(16) =25457a(17) =32087a(18) =39725a(19) =48935a(20) =59457a(21) =71555a(22) =85253a(23) =101251a(24) =119041a(25) =139351a(26) =161933a(27) =187255a(28) =215137a(29) =246691
External references
- oeis: A114043