login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A181011 T(n,k)=number of nXk binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0 8
0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 59, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 127, 127, 1, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,41
COMMENTS
Table starts
.0.1.0.0.0..0...0.....0.......0........0..........0...........0.............0
.1.1.0.0.0..0...0.....0.......0........0..........0...........0.............0
.0.0.1.0.0..0...0.....0.......0........0..........0...........0.............0
.0.0.0.1.1..0...0.....0.......0........0..........0...........0.............0
.0.0.0.1.2..1...0.....0.......0........0..........0...........0.............0
.0.0.0.0.1..8..11.....6.......1........0..........0...........0.............0
.0.0.0.0.0.11..59...127.....168......144.........85..........38............10
.0.0.0.0.0..6.127...744....2483.....5729......10251.......14885.........17807
.0.0.0.0.0..1.168..2483...19644...104111.....425290.....1452733.......4279160
.0.0.0.0.0..0.144..5729..104111..1150827....9617529....66925648.....403935677
.0.0.0.0.0..0..85.10251..425290..9617529..158171825..2133903810...24963075674
.0.0.0.0.0..0..38.14885.1452733.66925648.2133903810.54785832985.1214165065307
LINKS
EXAMPLE
All solutions for 5X5
..0..1..1..1..1....0..1..1..1..1
..1..0..0..0..0....1..0..0..0..0
..1..0..0..1..1....1..0..0..1..1
..1..0..1..0..1....1..0..1..0..0
..1..0..1..1..0....1..0..1..0..1
CROSSREFS
Sequence in context: A188585 A294068 A339553 * A084863 A368072 A233441
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 30 2010
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)