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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 9 |
| 5 | 12 |
| 6 | 16 |
| 7 | 33 |
| 8 | 78 |
| 9 | 124 |
| 10 | 334 |
| 11 | 3618 |
| 12 | 3682 |
| 13 | 3739 |
| 14 | 4732 |
| 15 | 6676 |
| 16 | 16014 |
| 17 | 20023 |
| 18 | 20364 |
| 19 | 66793 |
[2,3,7,9,12,16,33,78,124,334,3618,3682,3739,4732, 6676,16014,20023,20364,66793] |