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!)
A186625 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with 3X3 subblock sums nondecreasing rightwards and downwards. 4
19683, 317115, 317115, 5109075, 9957573, 5109075, 82312875, 313250283, 313250283, 82312875, 1033357725, 9626194591, 19192412328, 9626194591, 1033357725, 12972796635, 205142945972, 1114156913743, 1114156913743 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
........19683........317115........5109075........82312875.....1033357725
.......317115.......9957573......313250283......9626194591...205142945972
......5109075.....313250283....19192412328...1114156913743.40638068592052
.....82312875....9626194591..1114156913743.117244058006472
...1033357725..205142945972.40638068592052
..12972796635.4375747771546
.162860787181
LINKS
EXAMPLE
Some solutions for 5X4
..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..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..1....1..0..1..2....0..0..0..2....0..0..0..2....1..0..2..2
..1..0..1..2....1..0..1..1....2..1..0..0....1..0..2..2....1..0..0..1
..0..1..2..1....2..1..2..1....1..2..0..1....2..2..2..2....1..0..1..0
CROSSREFS
Sequence in context: A250508 A250507 A250505 * A186622 A250459 A250455
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 24 2011
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 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)