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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 2 |
| 4 | 3 |
| 5 | 2 |
| 6 | 13 |
| 7 | 3 |
| 8 | 19 |
| 9 | 2 |
| 10 | 13 |
| 11 | 31 |
| 12 | 3 |
| 13 | 19 |
| 14 | 43 |
| 15 | 2 |
| 16 | 53 |
| 17 | 13 |
| 18 | 61 |
| 19 | 31 |
| 20 | 71 |
| 21 | 73 |
| 22 | 3 |
| 23 | 19 |
| 24 | 43 |
| 25 | 2 |
| 26 | 101 |
| 27 | 103 |
| 28 | 53 |
| 29 | 109 |
| 30 | 113 |
| 31 | 13 |
| 32 | 131 |
| 33 | 31 |
[2,3,2,3,2,13,3,19,2,13,31,3,19,43,2,53,13,61,31, 71,73,3,19,43,2,101,103,53,109,113,13,131,31] |