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A235658
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Number of (n+1)X(6+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
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1
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4020, 126926, 4396769, 156257766, 5711803299, 206989047143, 7311691586871, 247906183652487, 8030471581876202, 248047390200685191, 7319420147397701790, 206847552062839909853, 5617674845867098061580, 147109594075869595741997
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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=2
..0..0..0..0..0..1..0....0..1..0..1..0..1..1....0..0..0..1..0..0..1
..0..1..0..0..1..1..1....1..1..1..1..1..0..1....0..1..1..0..1..1..1
..0..0..0..1..0..0..0....0..1..0..0..0..1..1....1..0..1..0..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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