A178287 Number of collinear point 4-tuples in an n X n .. X n 7-dimensional cubical grid.

0, 0, 0, 131776, 3470549, 37807680, 371453327, 2166664192, 10453333842, 47955097344, 177644368014, 539461479744, 1776632877223, 4936852235840, 12181833395949, 30549903200768, 72297760469620, 155915494771968

Offset: 1

Author

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

Keywords

• nonn

Links

• R. H. Hardin, Table of n, a(n) for n=1..22

Crossrefs

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