|
|
A188565
|
|
Number of nX7 binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally
|
|
1
|
|
|
81, 6561, 237116, 11433452, 550371695, 25507294349, 1199747927824, 56394861720488, 2646119200975135, 124263900074691604, 5835027374030395082, 273966247390359990893, 12864061918841330330771, 604024661760799430803651
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for 3X7
..0..0..0..1..0..0..0....0..0..0..0..0..0..1....0..0..1..0..1..0..1
..0..0..1..0..1..1..0....0..0..0..0..1..0..0....0..0..1..0..0..1..0
..1..0..1..0..0..0..0....0..0..1..0..1..1..0....1..1..0..0..0..1..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|