A178258 - OEIS

A178258

Number of collinear point 6-tuples in an n X n cubical grid

0, 0, 0, 0, 0, 14, 116, 536, 1824, 5100, 12432, 27248, 55148, 104282, 187120, 320244, 527976, 840276, 1300944, 1959780, 2888920, 4168470, 5910540, 8233080, 11310640, 15309580, 20477040, 27057280, 35393500, 45803810, 58784224, 74742016, 94324896

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

OFFSET

1,6

LINKS

R. H. Hardin, Table of n, a(n) for n=1..37

CROSSREFS

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

Sequence in context: A026959 A026989 A204240 * A121783 A155647 A279855

Adjacent sequences: A178255 A178256 A178257 * A178259 A178260 A178261

KEYWORD

nonn

AUTHOR

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

STATUS

approved