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A222664
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Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order
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1
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8, 103, 2686, 62406, 2169240, 85836756, 4437593254, 258544501925, 16020345244330, 1025854594717790, 66890197022992724, 4395700169818174037, 289565680501179990654, 19097764345956813578074, 1260427355737644652915392
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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..1..1..1..1..1....0..1..1..0..0..0....0..0..1..2..2..2....0..0..0..0..1..0
..0..2..1..1..1..1....0..2..0..0..0..0....3..1..2..2..2..2....0..0..0..0..2..0
..1..0..1..1..1..1....2..0..0..0..0..0....2..2..2..2..2..2....0..0..0..0..0..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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