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A166216
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Number of 8X8X8 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n
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2
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1, 17, 200, 1588, 9030, 40848, 157803, 526484, 1571016, 4285591, 10795845, 25412877, 56578703, 119636627, 241988291, 470828929, 884190706, 1608280291, 2844350256, 4899912505, 8243127504, 13571819655, 21901928396, 34695730340
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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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