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| n | a(n) |
|---|---|
| 1 | 53 |
| 2 | 173 |
| 3 | 277 |
| 4 | 317 |
| 5 | 397 |
| 6 | 769 |
| 7 | 773 |
| 8 | 797 |
| 9 | 809 |
| 10 | 853 |
| 11 | 1009 |
| 12 | 1013 |
| 13 | 1093 |
| 14 | 1493 |
| 15 | 1613 |
| 16 | 1637 |
| 17 | 1693 |
| 18 | 1721 |
| 19 | 2129 |
| 20 | 2213 |
| 21 | 2333 |
| 22 | 2477 |
| 23 | 2521 |
| 24 | 2557 |
| 25 | 2729 |
| 26 | 2797 |
| 27 | 2837 |
| 28 | 3329 |
| 29 | 3373 |
| 30 | 3517 |
| 31 | 3637 |
| 32 | 3733 |
| 33 | 3797 |
| 34 | 3853 |
| 35 | 3877 |
| 36 | 4133 |
| 37 | 4241 |
| 38 | 4253 |
| 39 | 4373 |
| 40 | 4493 |
| 41 | 4729 |
| 42 | 4733 |
| 43 | 4877 |
| 44 | 5081 |
[53,173,277,317,397,769,773,797,809,853,1009,1013, 1093,1493,1613,1637,1693,1721,2129,2213,2333,2477, 2521,2557,2729,2797,2837,3329,3373,3517,3637,3733, 3797,3853,3877,4133,4241,4253,4373,4493,4729,4733, 4877,5081] |