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A251488
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Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements
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1
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10830016, 29219848960, 78819515764397, 212595602301764864, 573419887491673696912, 1546645977595845122949056, 4171660889647765001349774656, 11251930882680888841675172679824
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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..2..0..1..0....0..0..0..2..0..2....0..0..3..2..2..1....0..0..1..1..2..3
..0..2..2..0..1..2....0..1..1..3..2..2....0..0..0..1..2..2....0..0..0..3..3..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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