n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 222 |
4 | 20 |
5 | 20 |
6 | 222 |
7 | 222222 |
8 | 200 |
9 | 222222222 |
10 | 20 |
11 | 2222222222 |
12 | 2220 |
13 | 222222222222 |
14 | 222222 |
15 | 2220 |
16 | 2000 |
17 | 2222222222222222 |
18 | 222222222 |
19 | 222222222222222222 |
20 | 20 |
21 | 222222 |
[2,2,222,20,20,222,222222,200,222222222,20, 2222222222,2220,222222222222,222222,2220,2000, 2222222222222222,222222222,222222222222222222,20, 222222] |