| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 13 |
| 6 | 23 |
| 7 | 31 |
| 8 | 43 |
| 9 | 53 |
| 10 | 67 |
| 11 | 79 |
| 12 | 89 |
| 13 | 97 |
| 14 | 101 |
| 15 | 131 |
| 16 | 313 |
| 17 | 353 |
| 18 | 421 |
| 19 | 431 |
| 20 | 457 |
| 21 | 467 |
| 22 | 643 |
| 23 | 653 |
| 24 | 757 |
| 25 | 787 |
| 26 | 797 |
| 27 | 1013 |
| 28 | 1021 |
| 29 | 1201 |
| 30 | 1213 |
| 31 | 1231 |
| 32 | 1321 |
| 33 | 2131 |
| 34 | 2357 |
| 35 | 2423 |
| 36 | 2467 |
| 37 | 3121 |
| 38 | 3457 |
| 39 | 3467 |
| 40 | 4201 |
| 41 | 4231 |
| 42 | 4243 |
| 43 | 4357 |
| 44 | 4567 |
| 45 | 4643 |
| 46 | 4657 |
| 47 | 4679 |
| 48 | 5323 |
| 49 | 5431 |
| 50 | 5653 |
[2,3,5,7,13,23,31,43,53,67,79,89,97,101,131,313, 353,421,431,457,467,643,653,757,787,797,1013,1021, 1201,1213,1231,1321,2131,2357,2423,2467,3121,3457, 3467,4201,4231,4243,4357,4567,4643,4657,4679,5323, 5431,5653] |