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A235782 Number of (n+1)X(4+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise 1
17837, 922543, 40810011, 1647458581, 62858483545, 2297557298259, 81417506954285, 2807177530729381, 94579930555571527, 3116880738458727257, 100650790306039153473, 3186729302280492848855, 99037517137078388789631 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A235784
LINKS
EXAMPLE
Some solutions for n=1
..0..1..2..0..1....1..0..2..1..2....1..0..1..1..0....1..1..2..2..0
..1..2..1..0..2....0..0..0..1..1....1..2..1..1..0....1..1..1..0..2
CROSSREFS
Sequence in context: A236649 A054472 A204742 * A235787 A235563 A188103
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2014
STATUS
approved

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Last modified April 16 20:42 EDT 2024. Contains 371754 sequences. (Running on oeis4.)