|
| |
|
|
A205274
|
|
Number of (n+1)X3 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing
|
|
1
|
|
|
|
2504, 87912, 2940732, 77255835, 1905682493, 40440032498, 815438067758, 15104514591436, 270214374017756, 4624070809987435, 77603848289590015, 1276770295413373726, 20837216097787580754, 337831908519292150785
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=4
..1..0..0....0..1..0....0..2..1....3..3..0....0..2..0....1..1..3....2..3..1
..0..0..3....1..3..2....1..0..2....1..0..1....1..0..3....2..1..1....1..1..3
..1..2..1....3..1..3....1..2..1....1..3..1....2..2..1....1..1..3....3..3..1
..0..1..3....2..3..1....0..2..2....1..0..2....2..1..1....2..3..3....3..1..3
..1..3..3....2..3..0....1..0..3....0..3..0....3..2..0....0..3..2....3..3..1
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
