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A251093
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Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element
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1
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13, 212, 9597, 1175519, 391088995, 353489877714, 867470863709067, 5781820357157777986, 104649732973693543280042, 5143991426222399264506760205, 686661619658213553959701988139993
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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=3
..1..0..0..1....1..0..0..0....1..1..1..1....0..0..1..0....1..0..1..0
..0..1..0..1....0..0..1..1....0..0..0..1....1..0..0..0....1..0..1..1
..0..0..0..1....1..0..0..0....0..0..0..0....1..0..1..1....1..0..0..0
..1..0..0..1....0..0..1..0....0..0..1..0....0..0..0..1....1..0..0..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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