n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 11 |
4 | 101 |
5 | 110 |
6 | 111 |
7 | 201 |
8 | 210 |
9 | 211 |
10 | 1111 |
11 | 1201 |
12 | 1210 |
13 | 1211 |
14 | 2111 |
15 | 2201 |
16 | 2210 |
17 | 2211 |
18 | 3111 |
19 | 3201 |
20 | 3210 |
21 | 3211 |
22 | 12211 |
23 | 13111 |
24 | 13201 |
25 | 13210 |
26 | 13211 |
27 | 22211 |
28 | 23111 |
29 | 23201 |
30 | 23210 |
31 | 23211 |
32 | 32211 |
33 | 33111 |
34 | 33201 |
35 | 33210 |
36 | 33211 |
37 | 42211 |
38 | 43111 |
39 | 43201 |
[1,10,11,101,110,111,201,210,211,1111,1201,1210, 1211,2111,2201,2210,2211,3111,3201,3210,3211, 12211,13111,13201,13210,13211,22211,23111,23201, 23210,23211,32211,33111,33201,33210,33211,42211, 43111,43201] |