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%I #4 Mar 31 2012 12:35:45
%S 0,0,0,131776,3470549,37807680,371453327,2166664192,10453333842,
%T 47955097344,177644368014,539461479744,1776632877223,4936852235840,
%U 12181833395949,30549903200768,72297760469620,155915494771968
%N Number of collinear point 4-tuples in an n X n .. X n 7-dimensional cubical grid
%H R. H. Hardin, <a href="/A178287/b178287.txt">Table of n, a(n) for n=1..22</a>
%Y Three collinear points in an n X n grid A000938 ; n X n X n grid A157882
%K nonn
%O 1,4
%A _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010
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