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A198087
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,5,4,0,0,1,0 for x=0,1,2,3,4,5,6
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0
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1, 1, 7, 51, 580, 14960, 692710, 57268094, 9248071023, 2766940534117, 1541427833628443
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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 5's, every 1 is next to 1 5's, every 2 is next to 2 4's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 1's, every 6 is next to 6 0'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..............0..............0..............0..............0
.......0.0............1.1............0.0............0.0............0.0
......0.6.0..........1.5.1..........0.6.0..........0.6.0..........0.4.0
.....0.0.0.0........0.3.1.0........0.0.0.0........0.0.0.0........0.2.4.0
....0.4.0.3.1......0.0.0.0.0......1.3.0.4.0......1.1.0.4.2......1.1.0.0.0
...0.4.2.1.5.1....0.6.0.4.4.0....1.5.1.2.4.0....1.5.3.0.4.0....1.5.3.0.6.0
..0.0.0.0.1.1.0..0.0.0.0.2.0.0..0.1.1.0.0.0.0..0.1.1.0.0.0.0..0.1.1.0.0.0.0
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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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