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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 13 |
| 3 | 37 |
| 4 | 67 |
| 5 | 97 |
| 6 | 103 |
| 7 | 193 |
| 8 | 223 |
| 9 | 277 |
| 10 | 307 |
| 11 | 457 |
| 12 | 613 |
| 13 | 823 |
| 14 | 853 |
| 15 | 877 |
| 16 | 1087 |
| 17 | 1297 |
| 18 | 1423 |
| 19 | 1447 |
| 20 | 1483 |
| 21 | 1663 |
| 22 | 1693 |
| 23 | 1783 |
| 24 | 1867 |
| 25 | 1873 |
| 26 | 1993 |
| 27 | 2083 |
| 28 | 2137 |
| 29 | 2377 |
| 30 | 2683 |
| 31 | 2707 |
| 32 | 2797 |
| 33 | 3163 |
| 34 | 3253 |
| 35 | 3457 |
| 36 | 3463 |
| 37 | 3847 |
| 38 | 4153 |
| 39 | 4513 |
| 40 | 4783 |
| 41 | 5227 |
| 42 | 5413 |
| 43 | 5437 |
| 44 | 5647 |
| 45 | 5653 |
| 46 | 5737 |
| 47 | 6547 |
[7,13,37,67,97,103,193,223,277,307,457,613,823, 853,877,1087,1297,1423,1447,1483,1663,1693,1783, 1867,1873,1993,2083,2137,2377,2683,2707,2797,3163, 3253,3457,3463,3847,4153,4513,4783,5227,5413,5437, 5647,5653,5737,6547] |