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A198030
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,3,1,1,1,0,1 for x=0,1,2,3,4,5,6
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0
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OFFSET
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1,3
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COMMENTS
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Every 0 is next to 0 4's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 1'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
........0..............1..............0..............1..............2
.......0.0............2.3............1.3............3.2............1.1
......0.5.0..........0.1.1..........4.1.1..........1.1.0..........3.4.3
.....0.0.3.1........1.1.6.1........1.1.6.1........1.6.1.1........1.1.1.1
....0.0.1.1.4......0.3.1.1.3......0.3.1.1.3......3.1.1.3.0......1.6.1.0.0
...0.2.1.6.1.1....0.5.0.1.4.1....0.5.0.1.0.1....1.4.1.0.5.0....3.1.1.3.5.0
..0.1.3.1.1.3.0..0.0.0.1.3.1.2..0.0.0.1.3.1.2..0.1.3.1.0.0.0..0.1.4.1.0.0.0
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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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