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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 17 |
| 3 | 19 |
| 4 | 23 |
| 5 | 29 |
| 6 | 31 |
| 7 | 37 |
| 8 | 41 |
| 9 | 43 |
| 10 | 47 |
| 11 | 53 |
| 12 | 59 |
| 13 | 61 |
| 14 | 67 |
| 15 | 71 |
| 16 | 73 |
| 17 | 79 |
| 18 | 83 |
| 19 | 89 |
| 20 | 97 |
| 21 | 101 |
| 22 | 131 |
| 23 | 151 |
| 24 | 191 |
| 25 | 313 |
| 26 | 353 |
| 27 | 373 |
| 28 | 757 |
| 29 | 797 |
| 30 | 919 |
| 31 | 35353 |
| 32 | 95959 |
| 33 | 919191919 |
| 34 | 979797979 |
| 35 | 91919191919 |
| 36 | 151515151515151 |
| 37 | 737373737373737 |
| 38 | 75757575757575757 |
| 39 | 91919191919191919 |
[13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73, 79,83,89,97,101,131,151,191,313,353,373,757,797, 919,35353,95959,919191919,979797979,91919191919, 151515151515151,737373737373737,75757575757575757, 91919191919191919] |