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A234907
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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 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
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1
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10344, 88092, 734168, 7067096, 66054728, 672221348, 6570232248, 68704964500, 683985508256, 7259539837372, 72890905317224, 781381537355308, 7883670351975704, 85183372948948496, 862313819512774208
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OFFSET
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1,1
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LINKS
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EXAMPLE
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Some solutions for n=2:
7 5 6 1 1 4 1 5 1 4 5 1 0 3 5 2 2 3 5 1
3 2 4 0 2 6 4 7 3 5 7 4 2 4 7 5 0 2 3 0
7 5 6 3 1 4 3 5 0 1 4 2 0 1 3 2 2 3 5 1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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