|
| |
|
|
A146138
|
|
Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 5-point barb 1,1 1,2 2,2 2,3 3,2 in any orientation.
|
|
0
|
|
|
|
1, 1, 1, 1, 1, 1, 9, 9, 33, 33, 153, 153, 3123, 3123, 118071, 118071, 4682615, 4682615, 398324801, 398324801, 67438703311, 67438703311, 18607359075661, 18607359075661, 8942742118054707
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
