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A207219
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Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row or column
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1
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529, 279841, 97935886, 33403462497, 11574609426324, 4019515127529418, 1395037573042216457, 484100965758678998675, 167995026283315198886440, 58298967703100379585703272, 20231341894128588893547935849
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