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A235580
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Number of (n+1)X(2+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
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1
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2896, 100653, 3187679, 88558785, 2266703217, 53743314489, 1204872525582, 25761758641087, 530640585223234, 10596542672869573, 206322100962240719, 3933589245572314823, 73696129029630789335, 1360660167404660439759
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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=2
..0..1..3....3..2..3....1..1..0....2..1..3....1..2..0....3..2..3....1..0..1
..1..3..0....2..2..0....3..1..2....0..0..2....1..3..1....1..2..3....0..2..2
..0..2..3....3..3..1....3..2..1....2..3..3....3..3..0....2..3..1....2..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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