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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 17 |
| 4 | 67 |
| 5 | 4019 |
| 6 | 24113 |
| 7 | 675163 |
| 8 | 16203911 |
| 9 | 2333363183 |
| 10 | 23333631829 |
| 11 | 7186758603331 |
| 12 | 3880849645798739 |
| 13 | 302706272372301641 |
| 14 | 148326073462427804089 |
| 15 | 4449782203872834122669 |
| 16 | 498375606833757421738927 |
[2,3,17,67,4019,24113,675163,16203911,2333363183, 23333631829,7186758603331,3880849645798739, 302706272372301641,148326073462427804089, 4449782203872834122669,498375606833757421738927] |