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A234656
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Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
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0
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315008, 593048, 1148176, 2646344, 6250544, 16899896, 46510768, 142026104, 438922928, 1476803288, 5004415216, 18237578744, 66608595824, 259192810136
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