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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 29 |
| 3 | 53 |
| 4 | 61 |
| 5 | 251 |
| 6 | 263 |
| 7 | 293 |
| 8 | 317 |
| 9 | 359 |
| 10 | 383 |
| 11 | 503 |
| 12 | 641 |
| 13 | 647 |
| 14 | 787 |
| 15 | 821 |
| 16 | 827 |
| 17 | 911 |
| 18 | 1097 |
| 19 | 1163 |
| 20 | 1249 |
| 21 | 1583 |
| 22 | 1759 |
| 23 | 1783 |
| 24 | 1861 |
| 25 | 1907 |
| 26 | 2017 |
| 27 | 2287 |
| 28 | 2297 |
| 29 | 2593 |
| 30 | 2819 |
| 31 | 2837 |
| 32 | 2861 |
| 33 | 3041 |
| 34 | 3079 |
| 35 | 3181 |
| 36 | 3461 |
| 37 | 3541 |
| 38 | 3557 |
| 39 | 3643 |
| 40 | 3779 |
| 41 | 4259 |
| 42 | 4409 |
| 43 | 4457 |
| 44 | 4597 |
| 45 | 4691 |
| 46 | 4729 |
| 47 | 4789 |
[3,29,53,61,251,263,293,317,359,383,503,641,647, 787,821,827,911,1097,1163,1249,1583,1759,1783, 1861,1907,2017,2287,2297,2593,2819,2837,2861,3041, 3079,3181,3461,3541,3557,3643,3779,4259,4409,4457, 4597,4691,4729,4789] |