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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 13 |
| 3 | 23 |
| 4 | 31 |
| 5 | 37 |
| 6 | 43 |
| 7 | 53 |
| 8 | 73 |
| 9 | 83 |
| 10 | 103 |
| 11 | 113 |
| 12 | 131 |
| 13 | 137 |
| 14 | 139 |
| 15 | 163 |
| 16 | 173 |
| 17 | 193 |
| 18 | 223 |
| 19 | 233 |
| 20 | 239 |
| 21 | 263 |
| 22 | 283 |
| 23 | 293 |
| 24 | 307 |
| 25 | 311 |
| 26 | 313 |
| 27 | 317 |
| 28 | 331 |
| 29 | 337 |
| 30 | 347 |
| 31 | 349 |
| 32 | 353 |
| 33 | 359 |
| 34 | 367 |
| 35 | 373 |
| 36 | 379 |
| 37 | 383 |
| 38 | 389 |
| 39 | 397 |
| 40 | 431 |
| 41 | 433 |
| 42 | 439 |
| 43 | 443 |
| 44 | 463 |
| 45 | 503 |
| 46 | 523 |
| 47 | 563 |
| 48 | 593 |
| 49 | 613 |
| 50 | 631 |
| 51 | 643 |
| 52 | 653 |
| 53 | 673 |
| 54 | 683 |
[3,13,23,31,37,43,53,73,83,103,113,131,137,139, 163,173,193,223,233,239,263,283,293,307,311,313, 317,331,337,347,349,353,359,367,373,379,383,389, 397,431,433,439,443,463,503,523,563,593,613,631, 643,653,673,683] |