n | a(n) |
---|---|
1 | 8989999 |
2 | 8999899 |
3 | 9989899 |
4 | 9999889 |
5 | 16999999 |
6 | 17989999 |
7 | 17999899 |
8 | 18889999 |
9 | 18899899 |
10 | 18899989 |
11 | 18979999 |
12 | 18989899 |
13 | 18998899 |
14 | 18999889 |
15 | 18999979 |
16 | 18999997 |
17 | 19889899 |
18 | 19899889 |
19 | 19979899 |
20 | 19987999 |
21 | 19988989 |
22 | 19989997 |
23 | 19999789 |
24 | 19999897 |
25 | 26998999 |
26 | 27799999 |
[8989999,8999899,9989899,9999889,16999999, 17989999,17999899,18889999,18899899,18899989, 18979999,18989899,18998899,18999889,18999979, 18999997,19889899,19899889,19979899,19987999, 19988989,19989997,19999789,19999897,26998999, 27799999] |