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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 17 |
| 4 | 19 |
| 5 | 23 |
| 6 | 27 |
| 7 | 29 |
| 8 | 53 |
| 9 | 59 |
| 10 | 73 |
| 11 | 81 |
| 12 | 83 |
| 13 | 89 |
| 14 | 97 |
| 15 | 109 |
| 16 | 127 |
| 17 | 131 |
| 18 | 149 |
| 19 | 151 |
| 20 | 227 |
| 21 | 239 |
| 22 | 241 |
| 23 | 243 |
| 24 | 251 |
| 25 | 257 |
| 26 | 263 |
| 27 | 277 |
| 28 | 283 |
| 29 | 289 |
| 30 | 307 |
| 31 | 313 |
| 32 | 317 |
| 33 | 353 |
| 34 | 359 |
| 35 | 361 |
| 36 | 373 |
| 37 | 389 |
| 38 | 419 |
| 39 | 421 |
| 40 | 431 |
| 41 | 433 |
| 42 | 467 |
| 43 | 487 |
| 44 | 521 |
| 45 | 529 |
| 46 | 541 |
| 47 | 557 |
| 48 | 563 |
| 49 | 587 |
| 50 | 593 |
| 51 | 599 |
| 52 | 601 |
| 53 | 613 |
| 54 | 631 |
[3,9,17,19,23,27,29,53,59,73,81,83,89,97,109,127, 131,149,151,227,239,241,243,251,257,263,277,283, 289,307,313,317,353,359,361,373,389,419,421,431, 433,467,487,521,529,541,557,563,587,593,599,601, 613,631] |