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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 8 |
| 6 | 12 |
| 7 | 16 |
| 8 | 20 |
| 9 | 23 |
| 10 | 25 |
| 11 | 26 |
| 12 | 30 |
| 13 | 31 |
| 14 | 32 |
| 15 | 34 |
| 16 | 38 |
| 17 | 39 |
| 18 | 40 |
| 19 | 41 |
| 20 | 42 |
| 21 | 44 |
[2,3,5,7,8,12,16,20,23,25,26,30,31,32,34,38,39,40, 41,42,44] |