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A166208
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Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 13
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1
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1, 14, 5, 21, 616, 3614, 65576, 6508702, 119636627, 10193915255, 4710009299519
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OFFSET
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0,2
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LINKS
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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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