|
| |
|
|
A146287
|
|
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 111-110-111 pattern in any orientation.
|
|
0
| |
|
|
1, 1, 1, 1, 1, 13, 49, 205, 661, 1997, 13307, 88591, 614455, 6581035, 95397503, 1522572859, 23440615715, 367710019427, 8011532526037, 207007785752989, 6626542824985383
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
