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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 71 |
| 6 | 127 |
| 7 | 463 |
| 8 | 3433 |
| 9 | 2704157 |
| 10 | 20058301 |
| 11 | 17672631901 |
| 12 | 35345263801 |
| 13 | 2104098963721 |
| 14 | 16123801841551 |
| 15 | 6892620648693261354601 |
| 16 | 51913710643776705684835561 |
| 17 | 410795449442059149332177041 |
[2,3,7,11,71,127,463,3433,2704157,20058301, 17672631901,35345263801,2104098963721, 16123801841551,6892620648693261354601, 51913710643776705684835561, 410795449442059149332177041] |