|
| |
|
|
A146840
|
|
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1001-1111-1000 pattern in any orientation.
|
|
0
| |
|
|
1, 1, 1, 1, 1, 1, 17, 21, 525, 997, 11539, 28687, 537003
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
