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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 2753 |
| 6 | 2927 |
| 7 | 9431 |
| 8 | 10861 |
| 9 | 34217 |
| 10 | 70537 |
| 11 | 104891 |
| 12 | 1200341 |
| 13 | 3427673 |
| 14 | 3583417 |
| 15 | 22772791 |
| 16 | 323869489 |
[2,3,5,7,2753,2927,9431,10861,34217,70537,104891, 1200341,3427673,3583417,22772791,323869489] |