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A276246
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Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.
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1
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24, 648, 2837, 26325, 234431, 2069454, 18671229, 167951009, 1509288801, 13609728840, 122702955310, 1106289221616, 9981742768716, 90071571350633, 812807513045538, 7336233541686365, 66219228884217858, 597727899610563029
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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..1..0..0..2. .0..1..1..0..2..1. .0..1..1..2..0..1. .0..0..1..2..2..1
..0..0..2..1..1..0. .0..0..2..1..0..0. .2..0..0..1..2..0. .1..2..0..0..2..2
..1..1..0..0..2..2. .1..1..0..2..2..1. .2..2..0..0..1..1. .0..2..1..0..0..1
..2..2..1..1..0..0. .2..1..1..0..2..1. .0..1..1..2..2..1. .0..0..1..1..2..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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