n | a(n) |
---|---|
1 | 6999899 |
2 | 6999989 |
3 | 7799999 |
4 | 7899989 |
5 | 8789999 |
6 | 8799899 |
7 | 8879999 |
8 | 8899799 |
9 | 8899997 |
10 | 8988989 |
11 | 8998889 |
12 | 8999699 |
13 | 8999789 |
14 | 8999897 |
15 | 9797999 |
16 | 9799997 |
17 | 9869999 |
18 | 9889799 |
19 | 9889889 |
20 | 9898799 |
[6999899,6999989,7799999,7899989,8789999,8799899, 8879999,8899799,8899997,8988989,8998889,8999699, 8999789,8999897,9797999,9799997,9869999,9889799, 9889889,9898799] |