n=5 (all 10 solutions are shown below):
+-----------+ +-----------+ +-----------+ +-----------+ +-----------+
| Q . . . . | | Q . . . . | | . Q . . . | | . Q . . . | | . . Q . . |
| . . Q . . | | . . . Q . | | . . . Q . | | . . . . Q | | Q . . . . |
| . . . . Q | | . Q . . . | | Q . . . . | | . . Q . . | | . . . Q . |
| . Q . . . | | . . . . Q | | . . Q . . | | Q . . . . | | . Q . . . |
| . . . Q . | | . . Q . . | | . . . . Q | | . . . Q . | | . . . . Q |
+-----------+ +-----------+ +-----------+ +-----------+ +-----------+
+-----------+ +-----------+ +-----------+ +-----------+ +-----------+
| . . Q . . | | . . . Q . | | . . . Q . | | . . . . Q | | . . . . Q |
| . . . . Q | | Q . . . . | | . Q . . . | | . Q . . . | | . . Q . . |
| . Q . . . | | . . Q . . | | . . . . Q | | . . . Q . | | Q . . . . |
| . . . Q . | | . . . . Q | | . . Q . . | | Q . . . . | | . . . Q . |
| Q . . . . | | . Q . . . | | Q . . . . | | . . Q . . | | . Q . . . |
+-----------+ +-----------+ +-----------+ +-----------+ +-----------+
n=7:
+---------------+
| Q . . . . . . |
| . . . Q . . . |
| . . . . . . Q |
| . . Q . . . . |
| . . . . . Q . |
| . Q . . . . . |
| . . . . Q . . |
+---------------+
n=11:
+-----------------------+
| Q . . . . . . . . . . |
| . . Q . . . . . . . . |
| . . . . Q . . . . . . |
| . . . . . . Q . . . . |
| . . . . . . . . Q . . |
| . . . . . . . . . . Q |
| . Q . . . . . . . . . |
| . . . Q . . . . . . . |
| . . . . . Q . . . . . |
| . . . . . . . Q . . . |
| . . . . . . . . . Q . |
+-----------------------+
n=13 (first example can be found using a knight moving from cell (1,1) with dx=1 and dy=2, second example can't be obtained in the same way):
+---------------------------+ +---------------------------+
| Q . . . . . . . . . . . . | | Q . . . . . . . . . . . . |
| . . Q . . . . . . . . . . | | . . Q . . . . . . . . . . |
| . . . . Q . . . . . . . . | | . . . . Q . . . . . . . . |
| . . . . . . Q . . . . . . | | . . . . . . Q . . . . . . |
| . . . . . . . . Q . . . . | | . . . . . . . . . . . Q . |
| . . . . . . . . . . Q . . | | . . . . . . . . . Q . . . |
| . . . . . . . . . . . . Q | | . . . . . . . . . . . . Q |
| . Q . . . . . . . . . . . | | . . . . . Q . . . . . . . |
| . . . Q . . . . . . . . . | | . . . Q . . . . . . . . . |
| . . . . . Q . . . . . . . | | . Q . . . . . . . . . . . |
| . . . . . . . Q . . . . . | | . . . . . . . Q . . . . . |
| . . . . . . . . . Q . . . | | . . . . . . . . . . Q . . |
| . . . . . . . . . . . Q . | | . . . . . . . . Q . . . . |
+---------------------------+ +---------------------------+
(End)
|