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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 11 |
| 4 | 17 |
| 5 | 61 |
| 6 | 103 |
| 7 | 167 |
| 8 | 193 |
| 9 | 293 |
| 10 | 643 |
| 11 | 647 |
| 12 | 911 |
| 13 | 11243 |
| 14 | 29437 |
| 15 | 55021 |
| 16 | 80141 |
[2,5,11,17,61,103,167,193,293,643,647,911,11243, 29437,55021,80141] |