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A183844
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Number of (n+1)X9 binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others
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1
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16771, 748937, 32887826, 1514840541, 68813532021, 3170254841114, 145160761315615, 6677571801577027, 306435724460478058, 14085188244943032759, 646828687624576311193, 29721310285135340886450
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