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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 41 |
| 3 | 486 |
| 4 | 4287 |
| 5 | 41165 |
| 6 | 385632 |
| 7 | 3638773 |
| 8 | 34262775 |
| 9 | 322817734 |
| 10 | 3040984385 |
| 11 | 28647966717 |
| 12 | 269877546432 |
| 13 | 2542386946921 |
| 14 | 23950576862273 |
| 15 | 225626690048980 |
| 16 | 2125518640310461 |
| 17 | 20023471678068295 |
| 18 | 188631332893572912 |
[9,41,486,4287,41165,385632,3638773,34262775, 322817734,3040984385,28647966717,269877546432, 2542386946921,23950576862273,225626690048980, 2125518640310461,20023471678068295, 188631332893572912] |