Search: a235779 -id:a235779
|
| |
|
|
A235777
|
|
Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise
|
|
+10
1
|
|
|
|
2612, 68942, 1581879, 30969609, 545929374, 8741113000, 130024832317, 1814248350284, 24045049867402, 304974560820729, 3731440079988996, 44289621774986740, 512802242862242358, 5816732007527994942
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=2
..1..3..1....2..0..3....3..0..0....2..1..2....3..1..3....1..2..1....1..0..0
..3..2..1....2..0..0....0..2..0....0..3..1....2..1..1....2..0..0....2..2..2
..2..0..0....1..2..1....1..3..3....2..1..3....0..1..3....2..3..2....1..0..1
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
| |
|
|
A235778
|
|
Number of (n+1) X (3+1) 0..3 arrays with the sum of each 2 X 2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
|
|
+10
1
|
|
|
|
23024, 1581879, 101237218, 5639406769, 284827103857, 12969746978427, 542604984360890, 20967636062967018, 756914723702877353, 25670260853234070465, 824040021622030909676, 25151768078055048000358
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=1
..3..0..1..3....3..2..2..2....2..2..0..2....3..3..2..2....2..3..0..0
..0..3..2..0....0..1..3..3....1..2..1..1....1..1..0..0....3..1..3..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
Search completed in 0.005 seconds
|
