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A235171
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Number of (n+1) X (3+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
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1
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8688, 45776, 240020, 1264228, 6664620, 35209872, 186233144, 986928332, 5236116224, 27831579620, 148096235716, 789461093804, 4212865815920, 22520692982832, 120511765742428, 645968908638908, 3465944872151148
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