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A232595
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Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal
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1
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18, 6232, 882, 266490, 66950, 12486510, 5045772, 589476500, 321877590, 27860113632, 19476278870, 1317233935380, 1119177564872, 62306560807010, 62309765310546, 2948573086902894, 3389517867089962, 139604376377561036
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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..1..0..1..0....0..1..0..1..2....0..1..2..1..0....0..1..0..1..0
..2..1..2..1..0....2..1..2..1..0....2..1..0..1..2....2..1..2..1..0
..0..1..2..1..0....0..1..2..1..2....2..1..0..1..2....0..1..0..1..0
..0..1..0..1..2....2..1..0..1..0....2..1..0..1..2....2..1..2..1..2
..2..1..2..1..0....2..1..0..1..2....0..1..2..1..0....2..1..0..1..0
..2..1..0..1..0....0..1..0..1..0....0..1..0..1..0....2..1..0..1..2
..2..1..2..1..0....2..1..2..1..0....2..1..2..1..0....2..1..2..1..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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