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A155247
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Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 43, 187, 1189, 7473, 55294, 540344, 6609867, 96912191, 1762761733, 39425343425, 1088609961302
(list;
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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 11 X 11 X 11 example
.............0
............0.0
...........0.1.1
..........0.1.0.0
.........1.1.0.0.0
........0.0.0.0.0.0
.......1.0.1.0.1.0.1
......0.1.0.1.0.1.0.1
.....0.1.0.1.0.1.0.1.0
....0.1.0.1.0.1.0.1.0.0
...0.0.1.0.1.0.1.0.1.0.0
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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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