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A235741
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Number of (n+1)X(5+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
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1
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167892, 36199157, 7433913626, 1402427258099, 257369376150524, 45081614802280999, 7733449708119520219, 1291234700949405911512, 212256857362792812709735, 34319052523965233251921090
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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..0..2..2..2....0..2..0..2..0..1....0..0..1..0..2..2....0..2..0..0..0..2
..1..2..2..1..0..0....1..2..2..0..2..2....2..1..2..2..0..2....2..0..2..2..2..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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