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A235762
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Number of (n+1)X(5+1) 0..1 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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988, 15197, 242684, 3328260, 44717902, 548550245, 6523068739, 73498947702, 803300615533, 8465670858075, 86820746667822, 865850679451314, 8430340040724445, 80193411242404120, 746856847280301271
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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=2
..0..0..0..1..1..1....1..0..1..1..1..0....1..0..1..1..0..1....0..1..0..0..1..1
..0..0..1..1..0..1....0..1..0..0..1..1....0..0..1..1..1..1....0..0..1..1..1..1
..1..0..0..0..1..0....0..0..0..0..1..0....1..0..1..1..1..1....0..0..0..1..1..0
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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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