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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 43 |
| 5 | 17 |
| 6 | 47 |
| 7 | 151 |
| 8 | 1697 |
| 9 | 59 |
| 10 | 2153 |
| 11 | 521 |
| 12 | 13183 |
| 13 | 30089 |
| 14 | 20753 |
| 15 | 3769 |
[2,3,5,43,17,47,151,1697,59,2153,521,13183,30089, 20753,3769] |