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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 17 |
| 5 | 19 |
| 6 | 139 |
| 7 | 157 |
| 8 | 577 |
| 9 | 1201 |
| 10 | 27361 |
| 11 | 530401 |
| 12 | 2513281 |
| 13 | 7183201 |
| 14 | 407817217 |
[3,5,7,17,19,139,157,577,1201,27361,530401, 2513281,7183201,407817217] |