| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 11 |
| 4 | 13 |
| 5 | 17 |
| 6 | 31 |
| 7 | 37 |
| 8 | 61 |
| 9 | 67 |
| 10 | 71 |
| 11 | 73 |
| 12 | 113 |
| 13 | 131 |
| 14 | 137 |
| 15 | 163 |
| 16 | 167 |
| 17 | 173 |
| 18 | 311 |
| 19 | 313 |
| 20 | 317 |
| 21 | 331 |
| 22 | 337 |
| 23 | 367 |
| 24 | 373 |
| 25 | 613 |
| 26 | 617 |
| 27 | 631 |
| 28 | 661 |
| 29 | 673 |
| 30 | 677 |
| 31 | 733 |
| 32 | 761 |
| 33 | 773 |
| 34 | 1117 |
| 35 | 1163 |
| 36 | 1171 |
| 37 | 1361 |
| 38 | 1367 |
| 39 | 1373 |
| 40 | 1613 |
| 41 | 1637 |
| 42 | 1663 |
| 43 | 1667 |
| 44 | 1733 |
| 45 | 1777 |
| 46 | 3137 |
| 47 | 3163 |
| 48 | 3167 |
| 49 | 3313 |
| 50 | 3331 |
| 51 | 3361 |
[3,7,11,13,17,31,37,61,67,71,73,113,131,137,163, 167,173,311,313,317,331,337,367,373,613,617,631, 661,673,677,733,761,773,1117,1163,1171,1361,1367, 1373,1613,1637,1663,1667,1733,1777,3137,3163,3167, 3313,3331,3361] |