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A234164
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Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
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1
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4296, 32070, 236876, 1773484, 13227132, 99877680, 751361300, 5729616704, 43493374260, 335194819624, 2568518101508, 20015511073672, 154853905277996, 1220427512643784, 9532590261966940, 75975862900079592, 598936631627547644
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