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A155293
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Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 25, 55, 192, 1118, 8943, 73694, 651536, 7389025, 113816897, 2201513666, 49743400975, 1349906323760
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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 12 X 12 X 12 example
..............1
.............1.0
............0.1.1
...........0.1.0.0
..........0.1.0.0.1
.........1.0.0.0.1.0
........0.1.1.1.0.1.1
.......1.1.0.0.0.1.0.0
......0.0.0.1.0.1.0.1.0
.....1.0.0.0.1.0.0.0.1.0
....0.1.1.1.0.1.1.0.0.1.1
...1.1.0.0.0.1.0.1.0.1.0.1
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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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