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A222487
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Number of nX7 0..2 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order
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0
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10, 152, 2408, 145019, 2728712, 184619038, 4805784476, 413049658833, 12238914302395, 1138561213618010, 34903160134453399, 3309017477928559490, 102378593504068235231, 9748268731866259500338, 302500699647516612601074
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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=4
..0..0..0..0..1..0..0....0..0..0..0..1..1..1....0..0..0..0..1..1..0
..0..0..0..0..2..0..2....0..0..0..0..1..1..1....0..0..0..0..0..1..0
..0..0..0..0..2..2..2....2..1..1..1..1..1..1....0..0..0..0..0..0..2
..0..0..0..0..2..0..2....0..1..1..1..1..1..1....0..0..0..0..0..1..2
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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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