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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 6 |
| 5 | 8 |
| 6 | 15 |
| 7 | 20 |
| 8 | 21 |
| 9 | 24 |
| 10 | 38 |
| 11 | 41 |
| 12 | 50 |
| 13 | 54 |
| 14 | 59 |
| 15 | 66 |
| 16 | 89 |
| 17 | 101 |
| 18 | 131 |
| 19 | 138 |
| 20 | 141 |
| 21 | 153 |
| 22 | 155 |
| 23 | 164 |
[2,3,5,6,8,15,20,21,24,38,41,50,54,59,66,89,101, 131,138,141,153,155,164] |