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A184494
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Number of (n+1)X7 0..2 arrays with every 2X2 subblock sum greater than 4
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1
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97312, 26384550, 4649028105, 986037480116, 194850008261157, 39657122226381527, 7976784799815632924, 1612270608569309926290, 325233657810875334156002, 65660150158381325444569431
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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 3X7
..0..1..0..2..2..1..0....0..1..0..1..2..2..1....0..1..0..1..1..1..2
..2..2..2..1..1..2..2....2..2..2..2..1..1..2....2..2..2..2..1..2..0
..1..2..0..2..2..1..0....2..0..2..1..2..2..2....1..0..1..1..2..2..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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