A178259 Number of collinear point 7-tuples in an n X n cubical grid

0, 0, 0, 0, 0, 0, 16, 148, 756, 2820, 8580, 22572, 53224, 115036, 231960, 441032, 799064, 1387368, 2324744, 3771176, 5952528, 9159392, 13791008, 20340036, 29476508, 41992820, 58953420, 81591788, 111535064, 150611100, 201257608

Offset

1,7

Links

R. H. Hardin, Table of n, a(n) for n=1..36

Crossrefs

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

Sequence in context: A232957 A214513 A254952 * A269137 A155657 A135458

Adjacent sequences: A178256 A178257 A178258 * A178260 A178261 A178262

Keyword

nonn

Author

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

Status

approved