|
|
A196947
|
|
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4
|
|
1
|
|
|
12, 496, 9199, 220433, 5039158, 115982718, 2668162530, 61397041229, 1412800280934, 32510004942226, 748093522890152, 17214334321208207, 396117368115901278, 9115043080958159524, 209745995599652637243
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Every 0 is next to 0 4's, every 1 is next to 1 1's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 3's
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..0..0..0..0..0....0..0..0..1..1....0..0..0..2..0....0..0..1..0..2
..1..1..0..1..1....0..0..0..0..2....2..0..0..2..0....0..0..1..0..0
..0..2..2..0..0....2..0..0..0..0....1..0..0..2..0....0..0..0..0..2
..2..0..1..1..0....1..1..0..1..1....1..2..0..1..1....2..0..0..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|