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| n | a(n) |
|---|---|
| 0 | 7007 |
| 1 | 7117 |
| 2 | 7227 |
| 3 | 7337 |
| 4 | 7447 |
| 5 | 7557 |
| 6 | 7667 |
| 7 | 7777 |
| 8 | 7887 |
| 9 | 7997 |
| 10 | 710107 |
| 11 | 711117 |
| 12 | 712127 |
| 13 | 713137 |
| 14 | 714147 |
| 15 | 715157 |
| 16 | 716167 |
| 17 | 717177 |
| 18 | 718187 |
| 19 | 719197 |
| 20 | 720207 |
| 21 | 721217 |
| 22 | 722227 |
| 23 | 723237 |
| 24 | 724247 |
| 25 | 725257 |
| 26 | 726267 |
| 27 | 727277 |
| 28 | 728287 |
| 29 | 729297 |
| 30 | 730307 |
[7007,7117,7227,7337,7447,7557,7667,7777,7887, 7997,710107,711117,712127,713137,714147,715157, 716167,717177,718187,719197,720207,721217,722227, 723237,724247,725257,726267,727277,728287,729297, 730307] |