n | a(n) |
---|---|
1 | 89 |
2 | 8999 |
3 | 89899 |
4 | 89989 |
5 | 98899 |
6 | 98999 |
7 | 99989 |
8 | 888989 |
9 | 898889 |
10 | 989999 |
11 | 998989 |
12 | 8888989 |
13 | 8889889 |
14 | 8988989 |
15 | 8989999 |
16 | 8998889 |
17 | 8999899 |
18 | 9888889 |
19 | 9889889 |
20 | 9899999 |
21 | 9989899 |
22 | 9999889 |
23 | 88888999 |
24 | 88898989 |
25 | 88989899 |
26 | 89888989 |
27 | 89889889 |
28 | 89898889 |
29 | 89999999 |
30 | 98888989 |
[89,8999,89899,89989,98899,98999,99989,888989, 898889,989999,998989,8888989,8889889,8988989, 8989999,8998889,8999899,9888889,9889889,9899999, 9989899,9999889,88888999,88898989,88989899, 89888989,89889889,89898889,89999999,98888989] |