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A178293
Number of collinear point 4-tuples in an n X n .. X n 9-dimensional cubical grid.
0
0, 0, 0, 4907776, 250334405, 4432154880, 83634563315, 797134274560, 5623659900846, 41662871239680, 222405745759290, 917018531400960, 4294168964874715, 16067910057871616, 50983015079601525
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OFFSET
1,4
LINKS
Table of n, a(n) for n=1..15.
CROSSREFS
Three collinear points in an n X n grid
A000938
; n X n X n grid
A157882
Sequence in context:
A147580
A043662
A125834
*
A218108
A089234
A178136
Adjacent sequences:
A178290
A178291
A178292
*
A178294
A178295
A178296
KEYWORD
nonn
AUTHOR
R. H. Hardin
, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010
STATUS
approved
