A178266 Number of collinear point 8-tuples in an n X n X n cubical grid

0, 0, 0, 0, 0, 0, 0, 244, 2841, 17844, 80289, 290004, 893607, 2438436, 6043911, 13840224, 29694274, 60220488, 116488506, 215985456

Offset

1,8

Links

Table of n, a(n) for n=1..20.

Crossrefs

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

Sequence in context: A135409 A203349 A262092 * A081864 A002594 A194134

Adjacent sequences: A178263 A178264 A178265 * A178267 A178268 A178269

Keyword

nonn

Author

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

Status

approved