|
| |
|
|
A146608
|
|
Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1111-0001 pattern in any orientation.
|
|
0
|
|
|
|
1, 1, 1, 1, 1, 1, 3, 9, 21, 41, 85, 247, 661, 2133, 7669, 30043, 131633, 623713, 3176911, 18218893, 109622217, 754540743, 5491953507, 45422445535
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
