A178289 Number of collinear point triples in an n X n .. X n 8-dimensional cubical grid

0, 0, 192032, 9969920, 455700320, 6065958144, 84525491552, 612465608192, 4331653335264, 21603867355136, 105105371180480, 393780775562496, 1491357451752960, 4669936000634112, 14450643013388864

Offset

1,3

Links

Table of n, a(n) for n=1..15.

Crossrefs

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

Sequence in context: A233873 A256768 A186584 * A221003 A206619 A253522

Adjacent sequences: A178286 A178287 A178288 * A178290 A178291 A178292

Keyword

nonn

Author

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

Status

approved