| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 17 |
| 10 | 17 |
| 11 | 53 |
| 12 | 53 |
| 13 | 329 |
| 14 | 329 |
| 15 | 3195 |
| 16 | 3195 |
| 17 | 60697 |
| 18 | 60697 |
| 19 | 1822001 |
| 20 | 1822001 |
| 21 | 62512113 |
| 22 | 62512113 |
[1,1,1,1,1,1,1,1,17,17,53,53,329,329,3195,3195, 60697,60697,1822001,1822001,62512113,62512113] |