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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 17 |
| 3 | 71 |
| 4 | 107 |
| 5 | 701 |
| 6 | 1087 |
| 7 | 8017 |
| 8 | 10487 |
| 9 | 10847 |
| 10 | 14087 |
| 11 | 18047 |
| 12 | 48017 |
| 13 | 70481 |
| 14 | 70841 |
| 15 | 78041 |
| 16 | 78401 |
| 17 | 80147 |
| 18 | 80471 |
| 19 | 81047 |
| 20 | 84017 |
| 21 | 84701 |
| 22 | 87041 |
| 23 | 100847 |
| 24 | 104087 |
| 25 | 184007 |
| 26 | 400187 |
| 27 | 400871 |
| 28 | 401087 |
| 29 | 407801 |
| 30 | 408071 |
| 31 | 408701 |
| 32 | 410087 |
| 33 | 410807 |
| 34 | 418007 |
| 35 | 470081 |
| 36 | 478001 |
| 37 | 480017 |
[7,17,71,107,701,1087,8017,10487,10847,14087, 18047,48017,70481,70841,78041,78401,80147,80471, 81047,84017,84701,87041,100847,104087,184007, 400187,400871,401087,407801,408071,408701,410087, 410807,418007,470081,478001,480017] |