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A186898
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Number of (n+1) X 6 binary arrays with every 2 X 2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2 X 2 subblock determinants.
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1
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632, 1246, 3948, 14437, 39372, 158437, 554824, 2203303, 7843906, 30466049, 113590802, 441081353, 1649380080, 6378340507, 24111571374, 93224628427, 352830579988, 1361940600445, 5170282798940, 19947364408573, 75793555364736
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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 3 X 6
..1..0..0..1..0..0....0..0..0..1..0..1....1..0..1..1..0..0....0..0..1..1..0..0
..0..0..1..1..0..1....1..1..1..1..0..1....0..0..0..1..1..1....0..0..0..1..1..0
..0..1..1..0..0..0....1..1..1..0..0..1....0..1..1..1..0..0....1..1..1..1..0..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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