|
Search: id:A145954
|
|
|
| A145954 |
|
Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a zee 1,1 1,2 2,2 2,3 in any orientation. |
|
+0
1
|
|
| 1, 1, 1, 1, 1, 1, 9, 9, 33, 33, 333, 333, 7127, 7127, 205501, 205501, 11166945, 11166945, 1122739259, 1122739259, 190153543115, 190153543115, 56969419979245, 56969419979245, 30406497496961445, 30406497496961445
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|
