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A237134
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Number of (n+1)X(n+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock equal
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1
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256, 22960, 9999802, 50384979024, 1265341553110578, 228789901383673689174, 221397526252157619725259427, 1328440646465169308310698650263760, 45372102198987511081849578962073926845151
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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
..1..3..1....3..2..2....3..1..1....1..2..1....3..1..3....3..1..1....0..3..0
..3..2..3....1..3..3....3..3..3....2..3..2....2..3..1....1..3..3....3..3..0
..0..3..1....2..3..0....0..1..3....1..2..0....0..3..1....2..3..0....3..3..3
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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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