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A237675
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Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
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1
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63000, 1346420, 30618976, 796647426, 20221334140, 498113608930, 12343384024320, 311516250091564, 7827815524635584, 195109685747765892, 4870240306854393988, 122133722554552201048, 3060221955313330464924
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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..0..1..0..0....2..2..3..3..2....1..1..0..2..2....3..0..2..3..1
..0..0..2..2..3....0..0..0..3..1....1..3..1..0..1....2..3..2..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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