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A155259
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Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,0 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 13, 37, 111, 999, 5261, 42873, 550367, 5937880, 97204725, 2096426420, 47838274736
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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4,2
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LINKS
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EXAMPLE
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Maximal 10 X 10 X 10 example
............0
...........1.1
..........0.0.1
.........1.0.0.1
........1.1.0.1.1
.......1.0.0.0.0.0
......1.0.1.1.0.1.1
.....0.1.0.0.1.0.1.0
....1.0.0.1.0.1.0.1.0
...1.1.1.1.0.1.1.0.1.1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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