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A237402
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Number of (n+1) X (4+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
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1
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58088, 1200450, 25159676, 555327358, 12223260408, 269190640070, 5926795463268, 130935771115948, 2892237697738592, 63737875779963536, 1404420202515168812, 31026875531399678894, 685474376516107698200, 15106769376158639394482
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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
..0..3..1..2..3....2..2..1..2..0....0..0..1..2..0....3..0..1..2..0
..0..0..0..2..3....3..2..1..1..1....1..3..1..0..1....2..3..3..2..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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