n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 98 |
3 | 997 |
4 | 9996 |
5 | 99995 |
6 | 999994 |
7 | 9999993 |
8 | 99999992 |
9 | 999999991 |
10 | 9999999990 |
11 | 99999999989 |
12 | 999999999988 |
13 | 9999999999987 |
14 | 99999999999986 |
15 | 999999999999985 |
16 | 9999999999999984 |
17 | 99999999999999983 |
18 | 999999999999999982 |
19 | 9999999999999999981 |
20 | 99999999999999999980 |
21 | 999999999999999999979 |
[1,9,98,997,9996,99995,999994,9999993,99999992, 999999991,9999999990,99999999989,999999999988, 9999999999987,99999999999986,999999999999985, 9999999999999984,99999999999999983, 999999999999999982,9999999999999999981, 99999999999999999980,999999999999999999979] |