

A178272


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


0



0, 0, 0, 0, 0, 0, 2080, 26032, 172872, 813072, 3044712, 9667152, 27131344, 68725744, 160984560, 351148064, 725480624, 1421692128
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OFFSET

1,7


LINKS



CROSSREFS

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


KEYWORD

nonn


AUTHOR

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


STATUS

approved



