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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 13 |
| 6 | 29 |
| 7 | 101 |
| 8 | 131 |
| 9 | 677 |
| 10 | 2467 |
| 11 | 5657 |
| 12 | 19013 |
| 13 | 48871 |
| 14 | 521519 |
| 15 | 553643 |
| 16 | 3618509 |
| 17 | 14098067 |
| 18 | 116168257 |
| 19 | 193989217 |
| 20 | 1200029867 |
| 21 | 8887409417 |
| 22 | 12713128189 |
| 23 | 573855893333 |
| 24 | 773735694701 |
| 25 | 9555670385293 |
| 26 | 30678585739159 |
| 27 | 160434821966701 |
| 28 | 1312137293512931 |
| 29 | 2217428789754491 |
| 30 | 100129280104254127 |
[2,3,5,7,13,29,101,131,677,2467,5657,19013,48871, 521519,553643,3618509,14098067,116168257, 193989217,1200029867,8887409417,12713128189, 573855893333,773735694701,9555670385293, 30678585739159,160434821966701,1312137293512931, 2217428789754491,100129280104254127] |