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| n | a(n) |
|---|---|
| 2 | 5 |
| 3 | 11 |
| 4 | 13 |
| 5 | 101 |
| 6 | 223 |
| 7 | 1277 |
| 8 | 1279 |
| 9 | 1616603 |
| 10 | 3772637849 |
| 11 | 51448351 |
| 12 | 115438255651987 |
| 13 | 1007002660975121 |
| 14 | 433241801791933 |
[5,11,13,101,223,1277,1279,1616603,3772637849, 51448351,115438255651987,1007002660975121, 433241801791933] |