|
| |
|
|
A146742
|
|
Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1110-1111 pattern in any orientation.
|
|
0
| |
|
|
1, 1, 1, 1, 1, 1, 3, 7, 15, 27, 47, 131, 579, 2405, 9787, 35829, 162637, 924049, 6701259, 48977223, 381859081, 3048055139, 30000129347
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
