login
Number of collinear point 4-tuples in an n X n .. X n 9-dimensional cubical grid
0

%I #3 Mar 31 2012 12:35:45

%S 0,0,0,4907776,250334405,4432154880,83634563315,797134274560,

%T 5623659900846,41662871239680,222405745759290,917018531400960,

%U 4294168964874715,16067910057871616,50983015079601525

%N Number of collinear point 4-tuples in an n X n .. X n 9-dimensional cubical grid

%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