|
|
A147170
|
|
Number of n X n binary arrays with all ones connected only in a 1000-1111-0010-0010 pattern in any orientation.
|
|
0
|
|
|
1, 1, 1, 9, 33, 81, 501, 9129, 252307, 4894765, 134053463, 8030367567, 812329207639
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,4
|
|
LINKS
|
|
|
EXAMPLE
|
Maximal 8 X 8 example
.0.1.0.0.1.1.0.0
.0.1.1.1.0.1.0.0
.0.1.0.0.0.1.1.1
.1.1.0.0.0.1.0.0
.0.0.1.0.0.0.0.1
.0.0.1.0.1.1.1.1
.1.1.1.1.0.1.0.0
.1.0.0.0.0.1.0.0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|