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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 23 |
| 4 | 29 |
| 5 | 41 |
| 6 | 43 |
| 7 | 47 |
| 8 | 61 |
| 9 | 67 |
| 10 | 83 |
| 11 | 89 |
| 12 | 2129 |
| 13 | 2141 |
| 14 | 2143 |
| 15 | 2161 |
| 16 | 2309 |
| 17 | 2341 |
| 18 | 2347 |
| 19 | 2381 |
| 20 | 2383 |
| 21 | 2389 |
| 22 | 2503 |
| 23 | 2521 |
| 24 | 2543 |
| 25 | 2549 |
| 26 | 2707 |
| 27 | 2729 |
| 28 | 2741 |
| 29 | 2749 |
| 30 | 2767 |
| 31 | 2789 |
| 32 | 2903 |
| 33 | 2909 |
| 34 | 2927 |
| 35 | 2963 |
| 36 | 2969 |
| 37 | 4127 |
| 38 | 4129 |
| 39 | 4327 |
| 40 | 4349 |
[2,3,23,29,41,43,47,61,67,83,89,2129,2141,2143, 2161,2309,2341,2347,2381,2383,2389,2503,2521,2543, 2549,2707,2729,2741,2749,2767,2789,2903,2909,2927, 2963,2969,4127,4129,4327,4349] |