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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 13 |
| 7 | 19 |
| 8 | 31 |
| 9 | 37 |
| 10 | 43 |
| 11 | 47 |
| 12 | 53 |
| 13 | 59 |
| 14 | 71 |
| 15 | 97 |
| 16 | 101 |
| 17 | 103 |
| 18 | 107 |
| 19 | 109 |
[2,3,5,7,11,13,19,31,37,43,47,53,59,71,97,101,103, 107,109] |