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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 3 |
| 5 | 7 |
| 6 | 9 |
| 7 | 4 |
| 8 | 11 |
| 9 | 18 |
| 10 | 23 |
| 11 | 4 |
| 12 | 14 |
| 13 | 22 |
| 14 | 34 |
| 15 | 41 |
| 16 | 6 |
| 17 | 23 |
| 18 | 42 |
| 19 | 72 |
| 20 | 108 |
[1,2,4,3,7,9,4,11,18,23,4,14,22,34,41,6,23,42,72, 108] |