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A235928
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Number of (n+1)X(3+1) 0..3 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock
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1
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18992, 1490648, 116219056, 9098402456, 710992703856, 55608647673784, 4347481602940704, 339955485269085344, 26580462272923519792, 2078379029608032830656, 162508519734907950288096
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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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FORMULA
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Empirical recurrence of order 70 (see link above)
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EXAMPLE
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Some solutions for n=1
..3..3..0..3....2..3..2..0....0..1..2..0....0..3..2..3....0..0..3..0
..2..0..0..2....1..3..0..3....0..2..0..1....0..2..2..2....2..0..2..2
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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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