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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 77 |
| 3 | 5711 |
| 4 | 9797 |
| 5 | 997997 |
| 6 | 8053139 |
| 7 | 60755907 |
| 8 | 99979997 |
| 9 | 9999799997 |
| 10 | 71515443427 |
| 11 | 93445113269 |
| 12 | 999997999997 |
| 13 | 26369408771424 |
| 14 | 96872443448748 |
| 15 | 99650905131203 |
| 16 | 99999979999997 |
| 17 | 751273714618266 |
| 18 | 3368237924952647 |
| 19 | 3493498117381256 |
| 20 | 9999999799999997 |
| 21 | 35399255736521405 |
| 22 | 999999997999999997 |
[8,77,5711,9797,997997,8053139,60755907,99979997, 9999799997,71515443427,93445113269,999997999997, 26369408771424,96872443448748,99650905131203, 99999979999997,751273714618266,3368237924952647, 3493498117381256,9999999799999997, 35399255736521405,999999997999999997] |