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A232405
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Number of (n+1)X(7+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal
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1
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96, 664, 4416, 44528, 370876, 3508240, 31802528, 296151320, 2734362948, 25388000332, 235309598120, 2183618526324, 20255876087096, 187949259401812, 1743794943568232, 16179886188718672, 150123298467390804
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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
..2..1..0..2..1..0..1..2....1..2..1..2..1..2..1..0....1..2..1..2..0..1..2..1
..1..2..1..0..2..1..0..1....0..1..0..1..0..1..0..1....0..1..0..1..2..0..1..0
..0..1..0..2..1..2..1..0....1..2..1..2..1..2..1..2....1..0..1..2..1..2..0..2
..1..0..2..1..0..1..2..1....2..1..0..1..0..1..0..1....2..1..0..1..0..1..2..1
..2..1..0..2..1..0..1..2....1..0..1..2..1..2..1..0....1..0..1..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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