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A155281
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Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 4,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 25, 76, 289, 1579, 11207, 100558, 1021474, 12631241, 194406300, 3780423351, 90519767008
(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 13 X 13 X 13 example
...............1
..............0.1
.............0.0.1
............1.0.0.1
...........1.0.1.1.0
..........1.0.0.0.0.0
.........1.0.0.0.1.0.0
........0.1.1.0.1.0.1.1
.......1.0.0.0.1.0.1.0.1
......1.0.0.0.1.0.0.0.0.1
.....1.0.0.1.0.1.1.0.1.0.1
....1.0.0.1.0.0.0.0.1.0.0.0
...0.1.1.0.1.1.1.1.0.1.1.1.1
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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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