The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A206072 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases 9
81, 150, 150, 537, 606, 537, 2052, 3330, 3330, 2052, 7878, 18534, 27654, 18534, 7878, 29760, 103194, 233058, 233058, 103194, 29760, 112236, 574182, 1967814, 2991276, 1967814, 574182, 112236, 423288, 3193722, 16608978, 38532894, 38532894 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.....81......150........537........2052..........7878...........29760
....150......606.......3330.......18534........103194..........574182
....537.....3330......27654......233058.......1967814........16608978
...2052....18534.....233058.....2991276......38532894.......496478790
...7878...103194....1967814....38532894.....759076386.....14970344658
..29760...574182...16608978...496478790...14970344658....452464863480
.112236..3193722..140136942..6395526408..295275611838..13684187500638
.423288.17762598.1182218562.82373437782.5823726851622.413929178183916
LINKS
EXAMPLE
Some solutions for n=4 k=3
..2..1..1..2....1..1..2..0....2..0..0..1....2..1..0..0....1..1..0..2
..1..0..2..1....0..2..0..2....0..2..1..0....1..0..2..1....0..2..1..0
..2..1..0..2....1..0..1..0....1..0..2..1....2..1..0..2....1..0..2..1
..0..2..1..0....0..2..0..2....2..1..0..2....1..2..1..0....2..1..0..2
..1..0..2..1....2..0..1..0....1..2..1..0....0..1..0..2....1..0..2..0
CROSSREFS
Sequence in context: A153259 A369977 A207050 * A207043 A206065 A139705
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 03 2012
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 June 13 17:32 EDT 2024. Contains 373391 sequences. (Running on oeis4.)