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A186047
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Number of (n+2)X6 binary arrays with each 3X3 subblock singular
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1
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72802, 2270854, 69579654, 1926378146, 56374248542, 1642063770394, 47475070890310, 1379260723246658, 40045291785767870, 1162075116201924610, 33736323804548467326, 979334920036778030402, 28428312586829238181558
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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 4X6
..0..0..1..0..1..0....0..0..1..1..1..0....0..0..1..0..1..1....0..0..1..0..1..1
..0..0..0..0..0..0....0..0..1..0..1..1....0..1..0..0..1..1....0..1..0..1..0..1
..0..1..0..0..1..0....0..0..0..0..0..0....0..0..1..0..1..1....0..0..0..0..0..0
..0..1..1..1..1..1....0..1..0..0..1..1....0..1..1..0..0..1....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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