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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 8 |
| 3 | 13 |
| 4 | 15 |
| 5 | 16 |
| 6 | 17 |
| 7 | 19 |
| 8 | 23 |
| 9 | 28 |
| 10 | 33 |
| 11 | 38 |
| 12 | 40 |
| 13 | 41 |
| 14 | 42 |
| 15 | 44 |
| 16 | 48 |
| 17 | 53 |
| 18 | 58 |
| 19 | 63 |
| 20 | 65 |
| 21 | 66 |
[3,8,13,15,16,17,19,23,28,33,38,40,41,42,44,48,53, 58,63,65,66] |