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A193875
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Number of nXnXn triangular 0..4 arrays with no element equal to the difference mod 5 of any two of its neighbors
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0
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5, 64, 228, 2524, 76008, 4781032, 610379072, 156384109972, 80186931236300, 82242416076189492, 168705103125227570060, 692139594246172489604484, 5679251331757532291639257736
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OFFSET
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1,1
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LINKS
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EXAMPLE
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Some solutions for 4X4X4
.....1........1........3........1........1........1........4........2
....2.2......1.4......3.2......1.4......4.4......4.4......1.4......2.3
...2.2.2....1.1.4....3.3.3....1.4.1....4.4.4....1.4.1....4.4.4....3.2.3
..2.3.3.3..1.1.1.1..2.3.2.3..1.1.4.1..1.4.4.4..4.4.1.4..4.4.4.4..2.3.3.2
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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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