|
| |
|
|
A147411
|
|
Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1001-1001-1111 pattern in any orientation.
|
|
0
| |
|
|
1, 1, 1, 1, 1, 1, 1, 5, 13, 27, 43, 73, 179, 423, 1083, 3071, 10101, 37829, 144853, 562367, 2218397, 9164725, 42914033, 209532563
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
