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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 (list; table; graph; refs; listen; history; text; internal format)
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

R. H. Hardin, Table of n, a(n) for n=1..365

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: A308429 A308428 A308276 * A075444 A280492 A089371

Adjacent sequences:  A180986 A180987 A180988 * A180990 A180991 A180992

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Sep 30 2010

STATUS

approved

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Last modified August 23 22:45 EDT 2019. Contains 326254 sequences. (Running on oeis4.)