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A222672
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Number of nX7 0..2 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order
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1
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10, 288, 3458, 212842, 4030527, 244592240, 5655834167, 433607685391, 11560192314100, 975276334243798, 27718869041797715, 2433959385004166383, 70724597772600295251, 6285792274284160237470, 184016099741668376440723
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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=3
..0..0..0..1..0..2..2....0..1..1..2..2..2..2....0..0..0..0..0..1..0
..0..0..2..2..2..2..2....2..0..2..2..2..2..2....0..0..0..0..0..0..0
..0..0..2..2..2..2..2....1..1..2..2..2..2..2....0..0..2..0..0..0..0
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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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