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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 109 |
| 4 | 1277 |
| 5 | 15743 |
| 6 | 201562 |
| 7 | 2655555 |
| 8 | 35772051 |
| 9 | 490468025 |
| 10 | 6822301766 |
| 11 | 96037376333 |
| 12 | 1365601216463 |
| 13 | 19585937393943 |
| 14 | 283004879815278 |
| 15 | 4115869618377271 |
| 16 | 60201892791282135 |
| 17 | 885032788096094565 |
[1,10,109,1277,15743,201562,2655555,35772051, 490468025,6822301766,96037376333,1365601216463, 19585937393943,283004879815278,4115869618377271, 60201892791282135,885032788096094565] |