n | a(n) |
---|---|
1 | 8 |
2 | 9 |
3 | 88 |
4 | 89 |
5 | 98 |
6 | 99 |
7 | 888 |
8 | 889 |
9 | 898 |
10 | 899 |
11 | 988 |
12 | 989 |
13 | 998 |
14 | 999 |
15 | 8888 |
16 | 8889 |
17 | 8898 |
18 | 8899 |
19 | 8988 |
20 | 8989 |
21 | 8998 |
22 | 8999 |
23 | 9888 |
24 | 9889 |
25 | 9898 |
26 | 9899 |
27 | 9988 |
28 | 9989 |
29 | 9998 |
30 | 9999 |
31 | 88888 |
32 | 88889 |
33 | 88898 |
34 | 88899 |
35 | 88988 |
36 | 88989 |
37 | 88998 |
38 | 88999 |
39 | 89888 |
40 | 89889 |
[8,9,88,89,98,99,888,889,898,899,988,989,998,999, 8888,8889,8898,8899,8988,8989,8998,8999,9888,9889, 9898,9899,9988,9989,9998,9999,88888,88889,88898, 88899,88988,88989,88998,88999,89888,89889] |