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A217245
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T(n,k)=Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor and with no occupancy greater than k.
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5
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0, 0, 1, 0, 7, 1, 0, 7, 95, 1, 0, 7, 161, 6437, 1, 0, 7, 182, 17957, 1175140, 1, 0, 7, 182, 22484, 6839199, 660602643, 1, 0, 7, 182, 22694, 10146841, 9594137076
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OFFSET
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1,5
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COMMENTS
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Table starts
.0.........0..........0........0.....0...0.0.0
.1.........7..........7........7.....7...7.7
.1........95........161......182...182.182
.1......6437......17957....22484.22694
.1...1175140....6839199.10146841
.1.660602643.9594137076
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LINKS
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EXAMPLE
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Some solutions for n=4 k=3
.....1........2........0........1........0........2........0........1
....2.0......1.0......3.1......0.2......2.0......1.2......0.2......1.1
...2.1.0....1.0.3....1.1.0....0.0.2....0.2.2....0.0.0....1.2.1....3.0.3
..1.2.1.0..1.1.1.0..1.1.1.1..2.3.0.0..1.3.0.0..2.2.1.0..0.3.1.0..1.0.0.0
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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