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A230188
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Number of 5Xn 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j)
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1
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0, 513, 16815, 1603431, 133265847, 11393567289, 967087903539, 82226647665621, 6988859258823513, 594060143921819223, 50495027179295395167, 4292081456142986073615, 364827090034511080822419
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3
..2..0..2....0..2..1....1..1..2....0..2..2....1..1..0....0..2..0....2..0..2
..1..1..1....1..1..0....2..0..2....0..0..2....0..2..1....1..1..2....2..0..2
..0..2..1....0..2..1....1..1..0....2..1..0....0..1..1....2..0..1....2..1..1
..1..1..1....0..1..1....0..2..1....1..2..2....0..2..2....1..1..1....1..0..2
..0..2..0....1..0..2....1..1..1....2..0..2....0..0..2....0..2..0....2..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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