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A236006
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Number of (n+1)X(4+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock
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1
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17464, 389520, 8623452, 199639388, 4771399876, 118118574840, 3024782577128, 79996751200984, 2178566815760276, 60872444688621924, 1738300532840898816, 50539524613860237520, 1490870446811399175936, 44489624599894762408316
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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
..2..1..1..1..2....3..3..0..1..2....2..2..1..2..1....3..2..2..1..0
..3..0..2..2..3....1..1..2..3..0....2..2..1..2..3....2..1..1..0..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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