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A184560
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Number of (n+1)X6 0..2 arrays with no 2X2 subblock summing to less than 4
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1
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92429, 24057629, 5228522011, 1214657950233, 276510402290782, 63392707611948281, 14500045352224438869, 3319239109051464012589, 759618068036448896808407, 173856090342285473033998446
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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 3X6
..0..0..0..1..1..0....0..0..0..0..2..1....0..0..0..0..1..2....0..0..0..2..0..0
..2..2..2..2..2..2....2..2..2..2..1..1....2..2..2..2..1..1....2..2..2..2..2..2
..0..0..2..2..2..0....1..0..2..2..2..1....0..1..0..2..2..0....2..1..0..0..1..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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