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A203634
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Number of nX4 0..1 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other
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1
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2, 6, 52, 154, 3824, 34648, 103690, 3172388, 30964178, 98045292, 3119147226, 31498645552, 102942841550, 3339440847942, 34385625760552, 114418767377664, 3757962051630128, 39182005442010990, 131941830464243716
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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=5
..0..0..0..0....0..1..1..1....1..1..1..0....0..1..0..1....0..0..1..1
..0..0..1..0....0..1..1..1....1..1..1..1....0..0..0..1....0..0..1..1
..0..0..1..0....0..0..0..1....0..1..0..1....0..0..0..1....0..0..0..0
..1..1..1..1....0..0..0..1....0..0..0..1....0..1..1..1....1..0..1..1
..0..1..1..1....0..1..0..1....0..0..0..0....1..1..1..1....1..1..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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