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A155364
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Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 2,2 3,1 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 176, 778, 2857, 13120, 90210, 607102, 4426307, 43683350, 478373407
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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6,2
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LINKS
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EXAMPLE
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Maximal 10 X 10 X 10 example
............0
...........1.0
..........0.1.0
.........0.0.1.0
........0.1.0.1.0
.......0.1.0.0.1.1
......0.1.0.0.1.1.0
.....0.1.0.0.0.0.0.1
....1.1.0.1.1.1.1.1.1
...0.1.1.0.0.0.0.0.1.0
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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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