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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 11 |
| 4 | 83 |
| 5 | 149 |
| 6 | 223 |
| 7 | 599 |
| 8 | 647 |
| 9 | 1373 |
| 10 | 8423 |
| 11 | 149497 |
| 12 | 388897 |
| 13 | 531611 |
| 14 | 2052329 |
[3,7,11,83,149,223,599,647,1373,8423,149497, 388897,531611,2052329] |