n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 10 |
4 | 30 |
5 | 31 |
6 | 200 |
7 | 300 |
8 | 301 |
9 | 2000 |
10 | 3000 |
11 | 3001 |
12 | 20000 |
13 | 30000 |
14 | 30001 |
15 | 200000 |
16 | 300000 |
17 | 300001 |
18 | 2000000 |
19 | 3000000 |
20 | 3000001 |
21 | 20000000 |
22 | 30000000 |
23 | 30000001 |
24 | 200000000 |
25 | 300000000 |
26 | 300000001 |
27 | 2000000000 |
28 | 3000000000 |
29 | 3000000001 |
[1,2,10,30,31,200,300,301,2000,3000,3001,20000, 30000,30001,200000,300000,300001,2000000,3000000, 3000001,20000000,30000000,30000001,200000000, 300000000,300000001,2000000000,3000000000, 3000000001] |