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A250500
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Number of (n+2)X(4+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column
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1
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68921, 1410255, 26447174, 495646476, 7889877354, 116007921130, 1660639294043, 22580651735877, 293919481919578, 3726137451883967, 46029211052776422, 554800391201546024, 6558522282702290700, 76224412940816223931
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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..0..0....1..1..1..1..0..1....0..1..0..1..1..0....0..0..1..0..1..1
..0..0..1..0..0..1....1..0..0..1..1..0....0..0..1..1..1..0....0..0..0..0..0..0
..1..0..0..1..0..0....0..1..0..1..1..1....1..1..1..1..0..1....0..0..0..0..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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