| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 17 |
| 3 | 74 |
| 4 | 185 |
| 5 | 2800 |
| 6 | 29003 |
| 7 | 197661 |
| 8 | 2401049 |
| 9 | 28504534 |
| 10 | 285030119 |
| 11 | 3218586444 |
| 12 | 37086239109 |
| 13 | 406310331635 |
| 14 | 4546341810050 |
| 15 | 51430540760254 |
| 16 | 574494592343355 |
| 17 | 6433947321163856 |
| 18 | 72335407827671730 |
| 19 | 810978021513533482 |
[1,17,74,185,2800,29003,197661,2401049,28504534, 285030119,3218586444,37086239109,406310331635, 4546341810050,51430540760254,574494592343355, 6433947321163856,72335407827671730, 810978021513533482] |