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A186800
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Number of (n+2)X5 binary arrays with no 3X3 subblock commuting with any horizontal or vertical neighbor 3X3 subblock
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1
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31204, 906615, 26628581, 782510382, 22986441710, 675297305236, 19839195220290, 582841090096150, 17122871714488347, 503040754965075614, 14778477587659456400, 434166411941361179685, 12755067189320222783892
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 4X5
..1..1..1..1..1....0..0..1..1..0....0..0..1..1..0....0..1..1..0..0
..0..0..0..0..0....0..0..0..1..1....0..0..0..0..1....0..0..0..1..0
..1..0..1..1..0....0..0..1..1..0....0..0..1..1..1....1..0..0..1..1
..1..1..0..1..1....0..0..0..0..1....1..1..0..0..0....0..0..0..1..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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