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A237075
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Number of (n+1)X(7+1) 0..3 arrays with the upper median of every 2X2 subblock equal
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1
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71747464, 294492604648, 763699683972418, 2557790812425420268, 8253660086676273138088, 27496427403161483106867338, 91400599993738526926922639384, 305202416567309844162468950140792
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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=1
..0..0..0..1..1..3..1..1....0..0..1..0..1..1..0..0....0..0..1..1..1..2..0..1
..1..1..1..2..0..0..1..0....1..1..0..1..1..0..2..1....1..1..0..3..1..1..0..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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