n | a(n) |
---|---|
1 | 89 |
2 | 8999 |
3 | 89999999 |
4 | 89999999999999999999 |
5 | 899999999999999999999999999999 |
6 | 89999999999999999999999999999999999999 |
7 | 8999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 |
[89,8999,89999999,89999999999999999999, 899999999999999999999999999999, 89999999999999999999999999999999999999, 89999999999999999999999999999999999999999999999999\ 99999999999999999999999999999999999999999999] |