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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 6 |
| 4 | 2 |
| 5 | 1 |
| 6 | 5 |
| 7 | 422 |
| 8 | 243 |
| 9 | 299 |
| 10 | 1712 |
| 11 | 91080 |
| 12 | 155636 |
| 13 | 749259 |
| 14 | 5409278 |
| 15 | 253679426 |
| 16 | 2921924313 |
| 17 | 9771922764942 |
[1,1,6,2,1,5,422,243,299,1712,91080,155636,749259, 5409278,253679426,2921924313,9771922764942] |