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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 3 |
| 13 | 3 |
| 14 | 4 |
| 15 | 5 |
| 16 | 7 |
| 17 | 7 |
| 18 | 11 |
| 19 | 9 |
| 20 | 12 |
| 21 | 14 |
| 22 | 19 |
[1,1,1,1,1,1,1,2,2,2,2,3,3,4,5,7,7,11,9,12,14,19] |