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A222688
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Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
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1
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8, 237, 7248, 288829, 12765040, 589802909, 27752564898, 1319414370191, 63167849881088, 3040537134742112, 146998128651407720, 7133080659964442596, 347227736612764543176, 16948792785655500564103, 829276538811229078591786
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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..1..1..1..0....0..0..0..0..1..1....0..0..0..0..0..0....0..1..1..1..2..2
..1..1..1..1..1..0....0..0..2..1..1..1....0..0..0..1..1..0....1..1..1..1..0..1
..1..1..1..1..1..2....0..2..0..1..1..1....0..0..1..1..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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