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| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 127 |
| 3 | 137 |
| 4 | 151 |
| 5 | 233 |
| 6 | 239 |
| 7 | 281 |
| 8 | 359 |
| 9 | 431 |
| 10 | 449 |
| 11 | 487 |
| 12 | 673 |
| 13 | 743 |
| 14 | 751 |
| 15 | 911 |
| 16 | 953 |
| 17 | 967 |
| 18 | 977 |
| 19 | 1033 |
| 20 | 1087 |
| 21 | 1103 |
| 22 | 1129 |
| 23 | 1303 |
| 24 | 1409 |
| 25 | 1423 |
| 26 | 1439 |
| 27 | 1481 |
| 28 | 1663 |
| 29 | 1759 |
| 30 | 1871 |
| 31 | 1873 |
| 32 | 2017 |
| 33 | 2039 |
| 34 | 2081 |
| 35 | 2129 |
| 36 | 2137 |
| 37 | 2207 |
[23,127,137,151,233,239,281,359,431,449,487,673, 743,751,911,953,967,977,1033,1087,1103,1129,1303, 1409,1423,1439,1481,1663,1759,1871,1873,2017,2039, 2081,2129,2137,2207] |