|
|
A295378
|
|
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
|
|
1
|
|
|
34, 747, 15557, 325134, 6819658, 142860055, 2995361770, 62765357574, 1315649551906, 27574133240044, 577944446997342, 12113314594045600, 253888394444548265, 5321347134853621559, 111532355602550043873
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..0..1..1..0..0..1. .0..0..0..1..0..0..0. .0..0..0..0..0..1..0
..0..1..1..1..0..1..0. .0..0..1..0..1..0..1. .0..0..0..0..0..0..0
..0..1..1..0..1..0..0. .1..0..0..0..0..0..0. .0..1..0..1..0..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|