|
|
A196216
|
|
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4
|
|
1
|
|
|
16, 544, 5110, 101780, 1937895, 33962624, 608417005, 11132866106, 202301552532, 3661731514195, 66431113288877, 1207694877279204, 21927197259395828, 397962224047643681, 7227485386946689259, 131272592634933828858
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Every 0 is next to 0 3's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 2's, every 4 is next to 4 4's
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..1..1..0..1..1..2....0..0..1..1..0..1....1..0..1..1..0..1....0..0..1..2..0..1
..0..2..1..2..0..1....1..1..1..2..0..1....2..0..2..2..1..1....0..0..1..1..0..2
..0..2..1..0..0..1....1..1..0..0..0..1....1..0..1..3..2..0....0..0..1..1..2..1
..0..1..2..0..0..1....0..2..1..2..1..2....1..0..1..2..1..0....1..1..2..0..0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|