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A188449
T(n,k)=Number of (n*k)Xk binary arrays with nonzero rows in decreasing order, no more than 3 ones in any row and exactly n ones in every column
5
1, 2, 0, 5, 1, 0, 14, 8, 0, 0, 46, 66, 5, 0, 0, 166, 722, 139, 1, 0, 0, 652, 9955, 4944, 139, 0, 0, 0, 2780, 165252, 244490, 16683, 66, 0, 0, 0, 12644, 3221806, 15980350, 2876300, 30090, 14, 0, 0, 0, 61136, 72445292, 1330789145, 703845255, 18014566, 30090, 1, 0, 0
OFFSET
1,2
COMMENTS
Table starts
.1.2.5..14....46.......166..........652...........2780...........12644
.0.1.8..66...722......9955.......165252........3221806........72445292
.0.0.5.139..4944....244490.....15980350.....1330789145....137418347276
.0.0.1.139.16683...2876300....703845255...235994839738.105035943170557
.0.0.0..66.30090..18014566..15978843654.20633840650794
.0.0.0..14.30090..64224371.203200240829
.0.0.0...1.16683.135725210
.0.0.0...0..4944
.0.0.0...0
.0.0.0
LINKS
EXAMPLE
All solutions for 9X3
..1..1..0....1..1..1....1..1..1....1..1..1....1..1..1
..1..0..1....1..1..0....1..1..0....1..0..1....1..1..0
..1..0..0....1..0..1....1..0..0....1..0..0....1..0..1
..0..1..1....0..1..1....0..1..1....0..1..1....0..1..0
..0..1..0....0..0..0....0..0..1....0..1..0....0..0..1
..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
CROSSREFS
Row 1 is A001680
Sequence in context: A155759 A202209 A201730 * A177267 A188445 A350158
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 31 2011
STATUS
approved