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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 16 |
| 8 | 18 |
| 9 | 24 |
| 10 | 31 |
| 11 | 32 |
| 12 | 35 |
| 13 | 38 |
| 14 | 51 |
| 15 | 58 |
| 16 | 71 |
| 17 | 75 |
| 18 | 78 |
[1,2,3,4,5,10,16,18,24,31,32,35,38,51,58,71,75,78] |