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A236253
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Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock
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1
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40120, 3307762, 270817218, 22624359354, 1882056542771, 156211259916826, 12976742344240838, 1078575251562083482, 89617893548204957822, 7445722762610445345272, 618663333785511156307659
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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
..3..3..1..1....1..3..3..0....1..2..2..3....0..0..1..3....1..2..0..1
..1..2..1..0....3..0..3..0....1..1..2..0....3..0..3..1....3..1..1..1
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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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