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A184685
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Number of (n+1)X9 binary arrays with every 2X2 subblock singular
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1
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11584, 867152, 37779664, 2107074576, 105530924944, 5556396815504, 286297979078416, 14901599172048528, 772255092178447120, 40103190379637623184, 2080745823672990984720, 108004153792892136250000
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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 3X9
..1..0..1..1..0..0..1..0..1....0..0..0..1..1..1..1..1..0
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0
..0..0..1..0..0..0..0..1..0....0..0..0..0..0..0..0..0..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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