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A236522
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Number of (n+1)X(7+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise
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1
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11520, 462970, 17385844, 610630403, 20627269098, 668463714817, 21144229954815, 652556241912311, 19847922853016156, 595359726112080244, 17710417384465606528, 522920157246017280935, 15370758158920152632621
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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..1..0..1..1..0..1....1..0..1..0..0..0..1..0....1..1..1..1..0..1..0..1
..0..1..1..1..0..0..1..0....1..1..1..1..1..1..1..0....0..0..1..0..1..0..1..1
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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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