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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 8 |
| 5 | 10 |
| 6 | 13 |
| 7 | 16 |
| 8 | 18 |
| 9 | 21 |
| 10 | 24 |
| 11 | 27 |
| 12 | 29 |
| 13 | 32 |
| 14 | 35 |
| 15 | 37 |
| 16 | 40 |
| 17 | 43 |
| 18 | 46 |
| 19 | 48 |
| 20 | 51 |
| 21 | 54 |
| 22 | 56 |
| 23 | 59 |
| 24 | 62 |
| 25 | 65 |
| 26 | 67 |
| 27 | 70 |
| 28 | 73 |
[1,2,5,8,10,13,16,18,21,24,27,29,32,35,37,40,43, 46,48,51,54,56,59,62,65,67,70,73] |