| n | a(n) |
|---|---|
| 1 | 8712 |
| 2 | 9801 |
| 3 | 87912 |
| 4 | 98901 |
| 5 | 879912 |
| 6 | 989901 |
| 7 | 8799912 |
| 8 | 9899901 |
| 9 | 87128712 |
| 10 | 87999912 |
| 11 | 98019801 |
| 12 | 98999901 |
| 13 | 871208712 |
| 14 | 879999912 |
| 15 | 980109801 |
| 16 | 989999901 |
| 17 | 8712008712 |
| 18 | 8791287912 |
| 19 | 8799999912 |
| 20 | 9801009801 |
| 21 | 9890198901 |
| 22 | 9899999901 |
| 23 | 87120008712 |
| 24 | 87912087912 |
| 25 | 87999999912 |
[8712,9801,87912,98901,879912,989901,8799912, 9899901,87128712,87999912,98019801,98999901, 871208712,879999912,980109801,989999901, 8712008712,8791287912,8799999912,9801009801, 9890198901,9899999901,87120008712,87912087912, 87999999912] |