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A188416
T(n,k)=Number of (n*k)Xk binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row
14
1, 2, 1, 5, 3, 1, 14, 16, 4, 1, 46, 124, 39, 5, 1, 166, 1308, 723, 81, 6, 1, 652, 17443, 21965, 3217, 150, 7, 1, 2780, 282349, 968230, 252493, 11712, 256, 8, 1, 12644, 5396178, 57967660, 33313408, 2181522, 36659, 410, 9, 1, 61136, 119324602, 4505774905
OFFSET
1,2
COMMENTS
Table starts
.1..2....5.....14........46..........166............652............2780
.1..3...16....124......1308........17443.........282349.........5396178
.1..4...39....723.....21965.......968230.......57967660......4505774905
.1..5...81...3217....252493.....33313408.....6720357785...1943505834628
.1..6..150..11712...2181522....793369090...498407294632.497114063711190
.1..7..256..36659..15083334..14100262412.25784105550034
.1..8..410.101829..87171345.197263686098
.1..9..625.256901.434626896
.1.10..915.598561
.1.11.1296
LINKS
EXAMPLE
All solutions for 6X2
..1..1....1..1....1..0....1..1
..1..0....1..1....1..0....1..1
..1..0....1..1....1..0....1..0
..0..1....0..0....0..1....0..1
..0..1....0..0....0..1....0..0
..0..0....0..0....0..1....0..0
CROSSREFS
Column 3 is A011863(n+1)
Row 1 is A001680
Sequence in context: A067345 A242431 A349934 * A361654 A160185 A283424
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 30 2011
STATUS
approved