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A155398
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Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 4,2 5,2 5,3 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 94, 343, 1447, 8149, 47996, 306243, 2223176, 19248076, 198155209, 2388609821, 33179404593
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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 12 X 12 X 12 example
..............0
.............0.0
............0.0.1
...........0.0.1.0
..........1.1.1.1.0
.........0.1.0.0.0.0
........0.1.0.0.0.1.0
.......0.0.0.0.0.0.1.1
......0.1.0.0.0.0.0.1.0
.....1.1.1.0.0.0.0.1.0.0
....0.0.0.1.1.1.0.1.1.0.0
...0.0.0.0.1.0.0.0.0.1.0.0
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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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