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A250961
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Number of (n+1)X(4+1) 0..3 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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130025, 17233753, 2395598690, 333998523952, 46264786072136, 6395621652233739, 885209240358912591, 122697293556820230187, 17018046740673828117784, 2360644255649504878062506, 327434317874474921244626335
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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
..3..1..0..3..0....3..0..0..3..3....1..3..2..3..3....1..0..3..2..0
..1..1..0..1..3....2..3..0..3..3....0..0..2..2..2....2..0..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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