|
| |
|
|
A146070
|
|
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 5-point zee 1,1 2,1 2,2 2,3 3,3 in any orientation.
|
|
0
| |
|
|
1, 1, 5, 1, 9, 25, 101, 401, 3215, 13761, 224503, 1483715, 30996399, 381934429, 12283193557, 226607791453, 11864500856825
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
