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| n | a(n) |
|---|---|
| 5 | 1 |
| 6 | 6 |
| 7 | 3 |
| 8 | 1 |
| 9 | 17 |
| 10 | 33 |
| 11 | 9 |
| 12 | 1 |
| 13 | 40 |
| 14 | 184 |
| 15 | 168 |
| 16 | 27 |
| 17 | 1 |
| 18 | 87 |
| 19 | 792 |
| 20 | 1592 |
| 21 | 807 |
| 22 | 81 |
[1,6,3,1,17,33,9,1,40,184,168,27,1,87,792,1592, 807,81] |