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| n | a(n) |
|---|---|
| 2 | 98 |
| 3 | 997 |
| 4 | 99995 |
| 5 | 9999993 |
| 6 | 99999999989 |
| 7 | 9999999999987 |
| 8 | 99999999999999983 |
| 9 | 9999999999999999981 |
| 10 | 99999999999999999999977 |
| 11 | 99999999999999999999999999971 |
| 12 | 9999999999999999999999999999969 |
[98,997,99995,9999993,99999999989,9999999999987, 99999999999999983,9999999999999999981, 99999999999999999999977, 99999999999999999999999999971, 9999999999999999999999999999969] |