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A251171
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Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements
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1
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100462, 17822017, 3387331664, 648299061766, 124211482822101, 23810611569424562, 4564338162026063711, 874976613125754162367, 167731165638773364886922, 32153762102058112167343144
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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
..1..1..2..3..1....2..2..3..0..1....2..3..3..3..3....0..3..0..3..1
..2..3..3..1..0....0..2..1..1..0....2..2..1..2..1....3..1..3..0..2
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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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