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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 31 |
| 5 | 37 |
| 6 | 43 |
| 7 | 61 |
| 8 | 67 |
| 9 | 71 |
| 10 | 73 |
| 11 | 79 |
| 12 | 103 |
| 13 | 131 |
| 14 | 139 |
| 15 | 157 |
| 16 | 191 |
| 17 | 193 |
| 18 | 223 |
| 19 | 239 |
| 20 | 277 |
| 21 | 283 |
| 22 | 311 |
| 23 | 313 |
| 24 | 367 |
| 25 | 389 |
| 26 | 397 |
| 27 | 419 |
| 28 | 421 |
| 29 | 431 |
| 30 | 439 |
| 31 | 443 |
| 32 | 457 |
| 33 | 461 |
| 34 | 499 |
| 35 | 509 |
| 36 | 541 |
| 37 | 569 |
| 38 | 599 |
| 39 | 607 |
| 40 | 613 |
| 41 | 619 |
| 42 | 643 |
| 43 | 647 |
| 44 | 659 |
| 45 | 661 |
| 46 | 673 |
| 47 | 683 |
| 48 | 733 |
| 49 | 743 |
| 50 | 757 |
| 51 | 769 |
| 52 | 787 |
| 53 | 797 |
| 54 | 823 |
| 55 | 827 |
[3,5,13,31,37,43,61,67,71,73,79,103,131,139,157, 191,193,223,239,277,283,311,313,367,389,397,419, 421,431,439,443,457,461,499,509,541,569,599,607, 613,619,643,647,659,661,673,683,733,743,757,769, 787,797,823,827] |