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A235786 Number of (3+1)X(n+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
3199, 86369, 1998795, 40810011, 775083193, 13779480739, 234239906977, 3826967361207, 60695780199313, 938335707129523, 14215200297894007, 211669896956361765, 3107619805369124633, 45081219344278229115 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A235784
LINKS
EXAMPLE
Some solutions for n=2
..1..0..2....2..0..1....2..0..2....2..2..2....2..1..1....1..0..2....0..2..0
..2..2..0....0..0..2....0..1..2....2..2..0....1..0..1....1..2..1....2..2..2
..0..1..0....0..1..2....0..0..0....1..2..2....1..2..1....0..1..2....0..2..2
..0..1..0....1..1..2....2..0..0....2..2..2....0..1..1....1..2..0....1..1..2
CROSSREFS
Sequence in context: A225056 A306197 A211840 * A235781 A235562 A269114
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2014
STATUS
approved

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Last modified April 18 04:24 EDT 2024. Contains 371767 sequences. (Running on oeis4.)