| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 83 |
| 2 | 9803 |
| 3 | 998003 |
| 4 | 99980003 |
| 5 | 9999800003 |
| 6 | 999998000003 |
| 7 | 99999980000003 |
| 8 | 9999999800000003 |
| 9 | 999999998000000003 |
| 10 | 99999999980000000003 |
| 11 | 9999999999800000000003 |
| 12 | 999999999998000000000003 |
[2,83,9803,998003,99980003,9999800003, 999998000003,99999980000003,9999999800000003, 999999998000000003,99999999980000000003, 9999999999800000000003,999999999998000000000003] |