n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 20 |
4 | 21 |
5 | 11 |
6 | 100 |
7 | 200 |
8 | 201 |
9 | 101 |
10 | 110 |
11 | 210 |
12 | 211 |
13 | 111 |
14 | 120 |
15 | 220 |
16 | 221 |
17 | 121 |
18 | 130 |
19 | 230 |
20 | 231 |
21 | 131 |
22 | 140 |
23 | 240 |
24 | 241 |
25 | 141 |
26 | 150 |
27 | 250 |
28 | 251 |
29 | 151 |
30 | 160 |
31 | 260 |
32 | 261 |
33 | 161 |
34 | 170 |
35 | 270 |
36 | 271 |
37 | 171 |
38 | 180 |
39 | 280 |
40 | 281 |
41 | 181 |
42 | 190 |
43 | 290 |
44 | 291 |
45 | 191 |
46 | 1000 |
47 | 2010 |
48 | 2011 |
49 | 1001 |
50 | 1010 |
51 | 2020 |
[1,10,20,21,11,100,200,201,101,110,210,211,111, 120,220,221,121,130,230,231,131,140,240,241,141, 150,250,251,151,160,260,261,161,170,270,271,171, 180,280,281,181,190,290,291,191,1000,2010,2011, 1001,1010,2020] |