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A237738 T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) median of each row and column nondecreasing 5
144, 790, 790, 3720, 13259, 3720, 18284, 105639, 105639, 18284, 83776, 1707200, 1659924, 1707200, 83776, 389862, 13980344, 38387146, 38387146, 13980344, 389862, 1747320, 219064013, 639694176, 3285354224, 639694176, 219064013, 1747320 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.......144...........790...........3720.............18284.............83776
.......790.........13259.........105639...........1707200..........13980344
......3720........105639........1659924..........38387146.........639694176
.....18284.......1707200.......38387146........3285354224.......78198241984
.....83776......13980344......639694176.......78198241984.....4209480134144
....389862.....219064013....13279334007.....6351885785786...429611650170264
...1747320....1853523145...226316321580...159454491881910.25303989249262240
...7872964...28043965682..4405469041518.12257643095551296
..34692768..244945512750.75639307776048
.153039484.3576754641447
LINKS
EXAMPLE
Some solutions for n=2 k=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..1..0..0..1..0..0....1..1..0..0..1..0....0..0..0..1..0..0....1..1..0..0..0..1
..0..1..0..0..0..1....0..0..0..0..1..1....0..1..0..1..0..1....0..0..1..0..0..1
..0..1..1..0..1..0....1..1..0..0..0..0....1..0..1..0..1..1....0..0..0..1..1..1
CROSSREFS
Sequence in context: A268806 A112067 A210724 * A237734 A234091 A234084
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 12 2014
STATUS
approved

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Last modified May 22 04:07 EDT 2024. Contains 372742 sequences. (Running on oeis4.)