|
|
A221233
|
|
Number of n X 5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, with no occupancy greater than 2.
|
|
0
|
|
|
8, 6360, 1211716, 245539157, 50220166341, 10357727346177, 2143073423803342, 443873517219145108, 91950727852607387586, 19046356339122882057227, 3944664443163147115275632, 816879401520206867566005964
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..2..0..0..2....0..0..2..2..2....0..1..2..1..1....0..2..0..1..1
..0..2..0..2..1....1..2..1..2..1....0..0..1..0..0....0..1..1..1..2
..2..0..2..2..0....0..0..0..2..0....1..2..2..2..2....0..1..2..1..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|