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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 8 |
| 6 | 10 |
| 7 | 11 |
| 8 | 13 |
| 9 | 15 |
| 10 | 16 |
| 11 | 18 |
| 12 | 20 |
| 13 | 21 |
| 14 | 23 |
| 15 | 24 |
| 16 | 26 |
| 17 | 28 |
| 18 | 29 |
| 19 | 31 |
| 20 | 32 |
| 21 | 34 |
| 22 | 36 |
| 23 | 37 |
| 24 | 39 |
[0,2,3,5,7,8,10,11,13,15,16,18,20,21,23,24,26,28, 29,31,32,34,36,37,39] |