A178286 - OEIS

A178286

Number of collinear point triples in an n X n .. X n 7-dimensional cubical grid

0, 0, 37969, 1303936, 36785458, 354876416, 3564072827, 20201495552, 110807114124, 455341009152, 1811484742365, 5741274600064, 18434791765774, 50104412017408, 134045911753271, 323606846302208, 772661279626328

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

R. H. Hardin, Table of n, a(n) for n=1..27

CROSSREFS

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

Sequence in context: A224906 A364309 A168628 * A187938 A235185 A172842

Adjacent sequences: A178283 A178284 A178285 * A178287 A178288 A178289

KEYWORD

nonn

AUTHOR

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

STATUS

approved