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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Column 5 of A194136.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..42

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

Adjacent sequences:  A194130 A194131 A194132 * A194134 A194135 A194136

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 17 2011

STATUS

approved

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Last modified October 13 22:17 EDT 2019. Contains 327982 sequences. (Running on oeis4.)