n | a(n) |
---|---|
1 | 13 |
2 | 17 |
3 | 19 |
4 | 59 |
5 | 79 |
6 | 389 |
7 | 499 |
8 | 997 |
9 | 1889 |
10 | 1999 |
11 | 6899 |
12 | 17989 |
13 | 8999 |
14 | 39989 |
15 | 49999 |
16 | 98999 |
17 | 199999 |
18 | 598999 |
19 | 599999 |
20 | 799999 |
21 | 2998999 |
22 | 2999999 |
23 | 4999999 |
24 | 9899999 |
25 | 19999999 |
26 | 29999999 |
27 | 59999999 |
28 | 189997999 |
29 | 389999999 |
30 | 689899999 |
31 | 699899999 |
32 | 998999999 |
[13,17,19,59,79,389,499,997,1889,1999,6899,17989, 8999,39989,49999,98999,199999,598999,599999, 799999,2998999,2999999,4999999,9899999,19999999, 29999999,59999999,189997999,389999999,689899999, 699899999,998999999] |