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A236274
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Number of (n+1)X(4+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock
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1
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5328, 137142, 3604782, 98027150, 2691633954, 74525190422, 2069437793694, 57582849812178, 1603546636521534, 44677821271613598, 1245075012786694322, 34702027677942876454, 967250238298071442758, 26961060977602280871738
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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 65 (see link above)
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EXAMPLE
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Some solutions for n=2
..2..0..1..0..2....0..1..1..0..1....0..2..1..0..1....0..1..1..0..2
..1..0..2..0..1....2..2..2..0..2....2..1..2..2..0....0..2..2..0..1
..2..0..2..0..2....0..0..1..0..2....1..2..1..0..2....2..1..0..1..0
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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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