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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 23 |
| 4 | 29 |
| 5 | 41 |
| 6 | 53 |
| 7 | 83 |
| 8 | 89 |
| 9 | 173 |
| 10 | 179 |
| 11 | 239 |
| 12 | 251 |
| 13 | 281 |
| 14 | 293 |
| 15 | 359 |
| 16 | 419 |
| 17 | 431 |
| 18 | 491 |
| 19 | 641 |
| 20 | 653 |
| 21 | 683 |
| 22 | 719 |
| 23 | 743 |
| 24 | 761 |
| 25 | 953 |
| 26 | 1289 |
| 27 | 1409 |
| 28 | 1439 |
| 29 | 1583 |
| 30 | 1973 |
| 31 | 2039 |
| 32 | 2063 |
| 33 | 2069 |
| 34 | 2351 |
| 35 | 2543 |
| 36 | 2693 |
| 37 | 2741 |
| 38 | 2819 |
| 39 | 2903 |
| 40 | 2963 |
| 41 | 3491 |
| 42 | 3761 |
| 43 | 3821 |
| 44 | 4019 |
| 45 | 4073 |
| 46 | 4271 |
| 47 | 4793 |
| 48 | 4871 |
| 49 | 5231 |
| 50 | 6173 |
| 51 | 6329 |
| 52 | 6491 |
| 53 | 6983 |
| 54 | 7043 |
| 55 | 7103 |
[2,3,23,29,41,53,83,89,173,179,239,251,281,293, 359,419,431,491,641,653,683,719,743,761,953,1289, 1409,1439,1583,1973,2039,2063,2069,2351,2543,2693, 2741,2819,2903,2963,3491,3761,3821,4019,4073,4271, 4793,4871,5231,6173,6329,6491,6983,7043,7103] |