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| n | a(n) |
|---|---|
| 2 | 3 |
| 3 | 13 |
| 4 | 5 |
| 5 | 31 |
| 6 | 7 |
| 7 | 71 |
| 8 | 73 |
| 9 | 109 |
| 10 | 11 |
| 11 | 199 |
| 12 | 13 |
| 13 | 313 |
| 14 | 197 |
| 15 | 241 |
| 16 | 17 |
| 17 | 307 |
| 18 | 19 |
| 19 | 419 |
| 20 | 401 |
| 21 | 463 |
| 22 | 23 |
| 23 | 599 |
| 24 | 577 |
| 25 | 701 |
| 26 | 677 |
| 27 | 757 |
| 28 | 29 |
| 29 | 929 |
| 30 | 31 |
| 31 | 1117 |
| 32 | 1153 |
| 33 | 1123 |
| 34 | 1259 |
| 35 | 1471 |
| 36 | 37 |
| 37 | 1481 |
| 38 | 1483 |
| 39 | 1873 |
| 40 | 41 |
| 41 | 1723 |
| 42 | 43 |
| 43 | 1979 |
| 44 | 2069 |
| 45 | 2161 |
| 46 | 47 |
| 47 | 2351 |
| 48 | 2593 |
| 49 | 2549 |
| 50 | 2551 |
| 51 | 2857 |
| 52 | 53 |
| 53 | 2969 |
| 54 | 2917 |
| 55 | 3191 |
| 56 | 3137 |
[3,13,5,31,7,71,73,109,11,199,13,313,197,241,17, 307,19,419,401,463,23,599,577,701,677,757,29,929, 31,1117,1153,1123,1259,1471,37,1481,1483,1873,41, 1723,43,1979,2069,2161,47,2351,2593,2549,2551, 2857,53,2969,2917,3191,3137] |