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A198054
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,1,2,0,2,0,2 for x=0,1,2,3,4,5,6
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0
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OFFSET
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1,2
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COMMENTS
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Every 0 is next to 0 4's, every 1 is next to 1 1's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 2's, every 5 is next to 5 0's, every 6 is next to 6 2's
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LINKS
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EXAMPLE
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Some solutions with all values from 0 to 6 for 7X7X7
........1..............0..............0..............0..............0
.......0.1............0.0............0.0............2.0............0.0
......1.2.2..........0.5.0..........0.5.0..........2.2.0..........0.5.0
.....1.2.6.2........2.2.0.0........0.0.2.2........1.4.3.0........2.2.0.0
....2.4.2.2.0......2.6.2.3.0......0.3.2.6.2......1.2.2.0.0......2.6.2.3.0
...2.2.3.0.5.0....0.2.2.4.2.0....0.2.4.2.2.1....0.2.6.2.5.0....1.2.2.4.2.1
..0.0.0.0.0.0.0..0.0.1.1.2.2.0..0.2.2.1.1.0.1..1.1.2.2.0.0.0..1.0.1.1.2.2.1
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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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