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A235735
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Number of (n+1)X(7+1) 0..1 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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33753, 4232565, 521746721, 63554803821, 7729359642112, 938576320212723, 113955406504401666, 13833058783205525551, 1679186543035634644622, 203830676897392364279934, 24742332819154119369686926
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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..0..0..0..0..1..0..0....1..1..1..0..0..1..1..1....0..1..0..1..1..1..1..1
..1..0..1..1..0..0..1..1....1..0..1..0..1..1..0..0....0..0..0..0..0..0..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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