|
| |
|
|
A146821
|
|
Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1110-0111 pattern in any orientation.
|
|
0
|
|
|
|
1, 1, 1, 1, 1, 1, 3, 17, 41, 79, 223, 801, 2615, 9741, 48585, 263431, 1569087, 9472069, 65995437, 509339343, 4406836165
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
