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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 43 |
| 4 | 47 |
| 5 | 107 |
| 6 | 139 |
| 7 | 191 |
| 8 | 211 |
| 9 | 223 |
| 10 | 239 |
| 11 | 293 |
| 12 | 313 |
| 13 | 337 |
| 14 | 541 |
| 15 | 743 |
| 16 | 757 |
| 17 | 863 |
| 18 | 1013 |
| 19 | 1153 |
| 20 | 1231 |
| 21 | 1619 |
| 22 | 2113 |
| 23 | 2137 |
| 24 | 2287 |
| 25 | 2297 |
| 26 | 2423 |
| 27 | 2543 |
| 28 | 2729 |
| 29 | 2749 |
| 30 | 2897 |
| 31 | 3079 |
| 32 | 3089 |
| 33 | 3313 |
| 34 | 3863 |
| 35 | 3947 |
| 36 | 4241 |
| 37 | 4271 |
| 38 | 4583 |
| 39 | 4649 |
| 40 | 4993 |
| 41 | 5581 |
| 42 | 6571 |
| 43 | 6637 |
| 44 | 6911 |
| 45 | 7547 |
| 46 | 8629 |
| 47 | 8849 |
| 48 | 8867 |
| 49 | 9049 |
| 50 | 9661 |
[2,3,43,47,107,139,191,211,223,239,293,313,337, 541,743,757,863,1013,1153,1231,1619,2113,2137, 2287,2297,2423,2543,2729,2749,2897,3079,3089,3313, 3863,3947,4241,4271,4583,4649,4993,5581,6571,6637, 6911,7547,8629,8849,8867,9049,9661] |