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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 13 |
| 7 | 17 |
| 8 | 19 |
| 9 | 29 |
| 10 | 43 |
| 11 | 173 |
| 12 | 179 |
| 13 | 193 |
| 14 | 683 |
| 15 | 1657 |
| 16 | 2731 |
| 17 | 3677 |
| 18 | 3733 |
| 19 | 4001 |
| 20 | 5743 |
| 21 | 7823 |
| 22 | 7841 |
| 23 | 7901 |
| 24 | 9421 |
| 25 | 63031 |
| 26 | 63773 |
| 27 | 93287 |
| 28 | 157229 |
| 29 | 213539 |
| 30 | 235447 |
| 31 | 1008503 |
| 32 | 1849259 |
| 33 | 3144571 |
| 34 | 16262297 |
| 35 | 4146957827 |
| 36 | 24968880823 |
| 37 | 499377616471 |
[2,3,5,7,11,13,17,19,29,43,173,179,193,683,1657, 2731,3677,3733,4001,5743,7823,7841,7901,9421, 63031,63773,93287,157229,213539,235447,1008503, 1849259,3144571,16262297,4146957827,24968880823, 499377616471] |