%I #4 Mar 31 2012 12:35:44

%S 0,0,0,21280,410944,3546144,25897500,120924864,484357596,1775236608,

%T 5524384788,14504098464,40157949700,96400638496,210705045096,

%U 461362504896,967431188016,1873980413760,3612131549208,6536903000544

%N Number of collinear point 4-tuples in an n X n .. X n 6-dimensional cubical grid

%H R. H. Hardin, <a href="/A178282/b178282.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