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A232308
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Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally
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1
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161, 781873, 983668985, 1376103637041, 1965722343353835, 2786747040643695591, 3953611274692252664219, 5609673968439178859869363, 7959069992979177183594559927, 11292472372835942637501892462887
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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=2
..0..2..0..1..0..2..1....0..0..1..0..1..2..2....0..1..2..1..1..0..1..
..1..1..1..2..2..2..1....1..2..0..0..1..1..2....0..0..0..2..0..2..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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