n | a(n) |
---|---|
1 | 1 |
2 | 18 |
3 | 198 |
4 | 1098 |
5 | 10989 |
6 | 109888 |
7 | 1078999 |
8 | 10998988 |
9 | 109989999 |
10 | 1078999989 |
11 | 10999999989 |
12 | 108999999989 |
13 | 1098999999999 |
14 | 10899899999998 |
15 | 104999999999999 |
16 | 1018899999999999 |
17 | 10199998999999998 |
18 | 100999999999999988 |
[1,18,198,1098,10989,109888,1078999,10998988, 109989999,1078999989,10999999989,108999999989, 1098999999999,10899899999998,104999999999999, 1018899999999999,10199998999999998, 100999999999999988] |