|
| |
|
|
A146790
|
|
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1100-1111 pattern in any orientation.
|
|
0
| |
|
|
1, 1, 1, 1, 5, 17, 67, 311, 1473, 7613, 68761, 661093, 8801627, 124939017, 2484498069, 53077957657
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
