A018817 Number of lines through exactly 10 points of an n X n grid of points.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22, 4, 4, 4, 4, 4, 4, 4, 4, 44, 92, 60, 20, 20, 20, 20, 20, 20, 136, 268, 416, 324, 216, 92, 92, 92, 92, 244, 412, 596, 796, 676, 540, 388, 220, 220, 596, 1004, 1444, 1916, 2420, 2124, 1796, 1436, 1044, 844, 1084, 1340, 1612, 1900, 2204

Offset: 0

Author

David W. Wilson

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..1000
• S. Mustonen, On lines and their intersection points in a rectangular grid of points