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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 156 |
| 3 | 1205 |
| 4 | 13338 |
| 5 | 153291 |
| 6 | 1625205 |
| 7 | 17932076 |
| 8 | 198519483 |
| 9 | 2180670106 |
| 10 | 24048268539 |
| 11 | 265302159472 |
| 12 | 2924641429031 |
| 13 | 32252832821055 |
| 14 | 355698271489720 |
| 15 | 3922517465632732 |
| 16 | 43257709091274901 |
| 17 | 477050342760130209 |
[9,156,1205,13338,153291,1625205,17932076, 198519483,2180670106,24048268539,265302159472, 2924641429031,32252832821055,355698271489720, 3922517465632732,43257709091274901, 477050342760130209] |