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A234822
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Number of (n+1) X (7+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
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0
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493348, 828354, 1352816, 2794776, 5474032, 13185612, 29871848, 79958916, 202105408, 583797684, 1601458376, 4905768756, 14324879872, 46013484372
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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=1:
0 3 1 3 1 6 1 2 3 2 6 3 6 2 4 2 0 3 0 3 3 3 3 3
5 2 6 2 6 5 6 1 0 5 3 6 3 5 1 5 3 0 3 0 6 0 6 0
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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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