|
| |
|
|
A147146
|
|
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1100-0110-0011 pattern in any orientation.
|
|
0
|
|
|
|
1, 1, 1, 1, 3, 9, 19, 67, 271, 1339, 7503, 48863, 386667, 3842993, 45897369, 657696677
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
