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A202560 T(n,k)=Number of nXk 0,1 arrays with the row and column sums nondecreasing 10
2, 3, 3, 4, 8, 4, 5, 17, 17, 5, 6, 37, 66, 37, 6, 7, 73, 235, 235, 73, 7, 8, 151, 824, 1526, 824, 151, 8, 9, 293, 2848, 9325, 9325, 2848, 293, 9, 10, 598, 9520, 57255, 103806, 57255, 9520, 598, 10, 11, 1159, 31648, 342295, 1126437, 1126437, 342295, 31648, 1159, 11 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
..2....3......4........5...........6.............7..............8
..3....8.....17.......37..........73...........151............293
..4...17.....66......235.........824..........2848...........9520
..5...37....235.....1526........9325.........57255.........342295
..6...73....824.....9325......103806.......1126437.......12176148
..7..151...2848....57255.....1126437......22360610......436020774
..8..293...9520...342295....12176148.....436020774....15635171834
..9..598..31648..2048759...130217215....8531393529...557315843073
.10.1159.104536.12097875..1384437590..165372103634.19890838348436
.11.2358.339553.71623580.14638759530.3209822188135
LINKS
EXAMPLE
Some solutions for n=8 k=3
..0..1..1....0..1..0....0..0..0....0..0..1....0..0..1....0..0..0....0..0..0
..1..1..0....0..0..1....0..1..0....1..0..0....0..1..0....0..1..0....0..1..1
..1..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..1..0....0..1..1
..0..1..1....1..0..0....0..1..0....0..0..1....0..1..0....1..0..0....1..0..1
..0..1..1....0..0..1....1..0..1....0..1..0....0..0..1....0..0..1....0..1..1
..1..0..1....0..1..0....0..1..1....0..1..0....1..1..0....1..0..1....1..0..1
..1..1..0....0..0..1....0..1..1....0..1..0....1..1..0....0..1..1....1..1..0
..1..0..1....1..0..0....1..1..1....1..0..0....1..0..1....0..1..1....0..1..1
CROSSREFS
Sequence in context: A227269 A156353 A239849 * A227165 A173933 A351407
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 21 2011
STATUS
approved

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Last modified May 29 04:26 EDT 2024. Contains 372921 sequences. (Running on oeis4.)