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A194133
Number of ways to arrange 5 indistinguishable points on an n X n X n triangular grid so that no three points are collinear at any angle.
2
0, 0, 0, 39, 792, 7587, 43836, 194013, 696765, 2145687, 5851044, 14546412, 33347130, 71662911, 145616964, 281816991, 522786390, 935155011, 1618729257, 2722297371, 4459330956, 7133246976, 11168002962, 17149002624, 25863493314, 38369771853
OFFSET
1,4
COMMENTS
Column 5 of A194136.
LINKS
EXAMPLE
Some solutions for 4 X 4 X 4:
.....1........0........0........1........0........0........0........1
....0.1......1.0......0.1......0.0......1.1......0.1......0.1......1.0
...0.1.0....0.1.1....1.0.1....1.1.0....1.0.1....1.1.0....0.1.1....0.1.0
..1.0.1.0..0.1.0.1..1.0.1.0..0.1.0.1..0.1.0.0..1.0.0.1..1.0.1.0..0.1.0.1
CROSSREFS
Sequence in context: A126927 A010991 A221358 * A069520 A232354 A232067
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 17 2011
STATUS
approved