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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 13 |
| 7 | 17 |
| 8 | 19 |
| 9 | 23 |
| 10 | 29 |
| 11 | 31 |
| 12 | 37 |
| 13 | 41 |
| 14 | 43 |
| 15 | 47 |
| 16 | 53 |
| 17 | 59 |
| 18 | 61 |
| 19 | 67 |
| 20 | 71 |
| 21 | 73 |
| 22 | 79 |
| 23 | 83 |
| 24 | 89 |
| 25 | 97 |
| 26 | 173 |
| 27 | 179 |
| 28 | 271 |
| 29 | 277 |
| 30 | 373 |
| 31 | 379 |
| 32 | 479 |
| 33 | 571 |
| 34 | 577 |
| 35 | 673 |
| 36 | 677 |
| 37 | 773 |
| 38 | 877 |
| 39 | 971 |
| 40 | 977 |
| 41 | 1777 |
| 42 | 2777 |
| 43 | 3779 |
| 44 | 5779 |
| 45 | 6779 |
| 46 | 8779 |
| 47 | 27773 |
| 48 | 27779 |
| 49 | 47777 |
| 50 | 47779 |
| 51 | 57773 |
| 52 | 67777 |
| 53 | 77773 |
| 54 | 97771 |
[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59, 61,67,71,73,79,83,89,97,173,179,271,277,373,379, 479,571,577,673,677,773,877,971,977,1777,2777, 3779,5779,6779,8779,27773,27779,47777,47779,57773, 67777,77773,97771] |