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A180989
T(n,k)=number of nXk binary matrices with rows and then columns in strictly increasing order as binary numbers
6
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 19, 6, 0, 0, 0, 0, 0, 0, 0, 196, 4, 0, 0, 0, 0, 0, 0, 0, 721, 873, 1, 0, 0, 0, 0, 0, 0, 0, 0, 17630, 2200, 0, 0, 0, 0, 0, 0, 0, 0, 0, 67264, 194176, 3489, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3673129, 1283875
OFFSET
1,26
COMMENTS
Table starts
.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...............0.....................0
.0.0.4...19.........0...............0.....................0
.0.0.6..196.......721...............0.....................0
.0.0.4..873.....17630...........67264.....................0
.0.0.1.2200....194176.........3673129..............16731459
.0.0.0.3489...1283875........91610331............1986193307
.0.0.0.3675...5754681......1408620622..........106664349231
.0.0.0.2646..18841145.....15031688395.........3595756291357
.0.0.0.1319..47481210....119897184624........85146473995739
.0.0.0..454..95722629....754355167375......1517858668914081
.0.0.0..105.158918058...3897928580882.....21458940104760027
.0.0.0...15.222078101..17056422818565....250470869515416956
.0.0.0....1.265522138..64708241443623...2489728914680959379
.0.0.0....0.274798153.216764641206495..21589512131961793054
.0.0.0....0.248033249.650403229942940.166424857870089951949
LINKS
EXAMPLE
All solutions for 5X4
..0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1
..1..0..0..0....1..0..0..0....1..0..0..0....1..0..0..0....1..0..0..0
..1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1
..1..0..1..0....1..0..1..0....1..0..1..0....1..0..1..0....1..0..1..1
..1..1..0..0....1..1..1..0....1..0..1..1....1..1..0..1....1..1..0..0
...
..0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1
..1..0..0..0....1..0..0..0....1..0..0..0....1..0..0..0....1..0..0..1
..1..0..0..1....1..0..0..1....1..0..1..1....1..0..1..1....1..0..1..0
..1..0..1..1....1..0..1..1....1..1..0..0....1..1..0..1....1..0..1..1
..1..1..1..0....1..1..0..1....1..1..0..1....1..1..1..0....1..1..0..0
...
..0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1
..1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1
..1..0..1..0....1..0..1..0....1..0..1..0....1..0..1..0....1..0..1..0
..1..0..1..1....1..0..1..1....1..1..0..0....1..1..0..0....1..1..0..1
..1..1..1..0....1..1..0..1....1..1..1..0....1..1..0..1....1..1..1..0
...
..0..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1
..1..0..0..1....1..0..0..1....1..0..0..1....1..0..1..1
..1..0..1..1....1..0..1..1....1..0..1..1....1..1..0..0
..1..1..0..0....1..1..0..0....1..1..0..1....1..1..0..1
..1..1..1..0....1..1..0..1....1..1..1..0....1..1..1..0
CROSSREFS
Sequence in context: A308428 A308276 A340977 * A075444 A280492 A089371
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 30 2010
STATUS
approved