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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 71 |
| 5 | 3433 |
| 6 | 2704157 |
| 7 | 35345263801 |
| 8 | 2104098963721 |
| 9 | 6892620648693261354601 |
| 10 | 410795449442059149332177041 |
| 11 | 1520803477811874490019821888415218657 |
| 12 | 5949105755928259715106809205795376486501 |
| 13 | 1480212998448786189993816895482588794876101 |
[2,3,7,71,3433,2704157,35345263801,2104098963721, 6892620648693261354601, 410795449442059149332177041, 1520803477811874490019821888415218657, 5949105755928259715106809205795376486501, 1480212998448786189993816895482588794876101] |