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| n | a(n) |
|---|---|
| 3 | 7 |
| 4 | 64 |
| 5 | 29 |
| 6 | 643 |
| 7 | 135 |
| 8 | 3832 |
| 9 | 643 |
| 10 | 136690 |
| 11 | 3077 |
| 12 | 3242093 |
| 13 | 14739 |
| 14 | 26058442 |
| 15 | 70615 |
[7,64,29,643,135,3832,643,136690,3077,3242093, 14739,26058442,70615] |