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A235755
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Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise
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1
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15782, 996868, 68186440, 3951955004, 229794497298, 11883494266538, 593235221174732, 27256390817706239, 1196211281372270826, 49366884980552894414, 1949628589021761460325, 73414944182224778086972
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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..1..1..2..2....0..1..2..2..2....2..1..2..2..0....1..1..1..1..1
..0..1..1..0..1....0..1..1..0..2....1..1..2..2..2....1..0..1..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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