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

1,8

Links

Table of n, a(n) for n=1..28.

Crossrefs

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

Sequence in context: A160954 A160955 A026091 * A296778 A155665 A036396

Adjacent sequences: A178257 A178258 A178259 * A178261 A178262 A178263

Keyword

nonn

Author

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

Status

approved