n | a(n) |
---|---|
1 | 2 |
2 | 89 |
3 | 97 |
4 | 809 |
5 | 907 |
6 | 8009 |
7 | 8699 |
8 | 9697 |
9 | 9887 |
10 | 81119 |
11 | 98887 |
12 | 8000009 |
13 | 9888887 |
14 | 81111119 |
15 | 8111111119 |
16 | 8666699999 |
17 | 9888888887 |
18 | 8000000000009 |
19 | 9888888888887 |
20 | 98888888888888887 |
21 | 81111111111111111119 |
22 | 800000000000000000009 |
[2,89,97,809,907,8009,8699,9697,9887,81119,98887, 8000009,9888887,81111119,8111111119,8666699999, 9888888887,8000000000009,9888888888887, 98888888888888887,81111111111111111119, 800000000000000000009] |