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A238045
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Number of (n+1)X(7+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
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1
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466296, 11359816, 282305082, 7744640808, 209192156822, 5473296255556, 147986688652636, 3904264230944172, 105392396334723790, 2777680885375598596, 75020825767874962564, 1977256886272189712420, 53407776575399196292950
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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 n=1
..0..0..2..2..0..2..0..0....0..2..2..1..0..1..2..1....0..2..1..0..1..0..1..1
..0..2..1..2..1..1..0..0....1..0..2..0..0..1..0..2....2..2..1..2..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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