n | a(n) |
---|---|
1 | 20 |
2 | 12 |
3 | 14 |
4 | 16 |
5 | 38 |
6 | 49 |
7 | 98 |
8 | 289 |
9 | 689 |
10 | 3899 |
11 | 5899 |
12 | 19999 |
13 | 68999 |
14 | 88999 |
15 | 299999 |
16 | 899999 |
17 | 5999999 |
18 | 7999999 |
19 | 49999999 |
20 | 98999999 |
21 | 199999999 |
22 | 889999999 |
23 | 2999999999 |
24 | 8999999999 |
25 | 88999999999 |
26 | 299999999999 |
27 | 499999999999 |
28 | 899999999999 |
[20,12,14,16,38,49,98,289,689,3899,5899,19999, 68999,88999,299999,899999,5999999,7999999, 49999999,98999999,199999999,889999999,2999999999, 8999999999,88999999999,299999999999,499999999999, 899999999999] |