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!)
A250459 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column 5
19683, 373248, 373248, 6859000, 17318918, 6859000, 120553784, 772693886, 772693886, 120553784, 1990865512, 32602562806, 83130231052, 32602562806, 1990865512, 32248529487, 1275994883882, 8367484120632, 8367484120632 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.........19683............373248...............6859000...............120553784
........373248..........17318918.............772693886.............32602562806
.......6859000.........772693886...........83130231052...........8367484120632
.....120553784.......32602562806.........8367484120632........1989073833819266
....1990865512.....1275994883882.......771060995856122......427623692376852816
...32248529487....48782075567391.....69143106141467242....89158016669061445146
..512192024001..1821064698359512...6029492985617772723.18010964448339431996059
.7998800059999.66622768121582144.513483970207350870058
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 83]
EXAMPLE
Some solutions for n=1 k=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..1..2..0..1....0..0..1..0..2..1....0..0..0..0..0..1....0..0..2..2..0..2
..2..0..1..2..2..0....2..0..1..2..0..1....1..0..2..2..1..2....0..1..2..2..2..1
CROSSREFS
Sequence in context: A250505 A186625 A186622 * A250455 A016761 A250593
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 23 2014
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 July 18 11:13 EDT 2024. Contains 374378 sequences. (Running on oeis4.)