A178260 Number of collinear point 8-tuples in an n X n cubical grid.

0, 0, 0, 0, 0, 0, 0, 18, 184, 1030, 4180, 13750, 38896, 98098, 225972, 483412, 972772, 1858020, 3395076, 5966700, 10139220, 16715912, 26838572, 42058890, 64517116, 97018822, 143341936, 208297894

Offset: 1

Author

R. H. Hardin, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010

Keywords

• nonn

Crossrefs

Three collinear points in an n X n grid A000938 ; n X n X n grid A157882