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A184496
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Number of (n+1)X9 0..2 arrays with every 2X2 subblock sum greater than 4
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1
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2390621, 3094453927, 2270452765634, 2128664486092091, 1816385262206308219, 1612270608569309926290, 1408627940819572965700159, 1238778403260497748171275569, 1086512813331341301756827657370
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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
..0..1..0..1..0..1..1..1..1....0..1..0..1..0..2..1..2..2
..2..2..2..2..2..2..1..2..1....2..2..2..2..2..2..2..2..1
..0..1..0..2..1..1..2..2..0....0..1..0..2..1..0..2..1..2
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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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