|
| |
|
|
A232458
|
|
Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally
|
|
1
|
|
|
|
161, 1607067, 2403848151, 4047993038079, 7183387830867849, 12543745301001506913, 21913588245620717611365, 38310356431318984685902615, 66965122696959119443053401779, 117051888141998056642832661556075
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=2
..0..0..2..0..1..0..2....0..1..1..0..2..0..2....0..2..0..0..1..2..0
..0..1..1..2..0..2..2....0..2..0..1..0..1..2....0..1..1..2..2..1..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
