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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 11 |
| 3 | 17 |
| 4 | 41 |
| 5 | 59 |
| 6 | 71 |
| 7 | 227 |
| 8 | 239 |
| 9 | 269 |
| 10 | 281 |
| 11 | 311 |
| 12 | 2339 |
| 13 | 2381 |
| 14 | 30089 |
| 15 | 30137 |
| 16 | 30269 |
| 17 | 510551 |
| 18 | 510581 |
| 19 | 510611 |
| 20 | 510617 |
| 21 | 510707 |
| 22 | 9699731 |
| 23 | 9699887 |
| 24 | 9699917 |
| 25 | 223093511 |
| 26 | 6469693331 |
| 27 | 6469693511 |
| 28 | 6469693661 |
| 29 | 6469694039 |
| 30 | 6469694057 |
[5,11,17,41,59,71,227,239,269,281,311,2339,2381, 30089,30137,30269,510551,510581,510611,510617, 510707,9699731,9699887,9699917,223093511, 6469693331,6469693511,6469693661,6469694039, 6469694057] |