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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 27 |
| 3 | 215 |
| 4 | 2035 |
| 5 | 20095 |
| 6 | 200287 |
| 7 | 2000851 |
| 8 | 20002663 |
| 9 | 200008317 |
| 10 | 2000025997 |
| 11 | 20000082213 |
| 12 | 200000259021 |
| 13 | 2000000817463 |
| 14 | 20000002584459 |
| 15 | 200000008167303 |
| 16 | 2000000025828219 |
| 17 | 20000000081661683 |
| 18 | 200000000258208463 |
| 19 | 2000000000816541333 |
[9,27,215,2035,20095,200287,2000851,20002663, 200008317,2000025997,20000082213,200000259021, 2000000817463,20000002584459,200000008167303, 2000000025828219,20000000081661683, 200000000258208463,2000000000816541333] |