n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 5 |
6 | 6 |
7 | 7 |
8 | 8 |
9 | 9 |
10 | 11 |
11 | 14 |
12 | 17 |
13 | 41 |
14 | 44 |
15 | 47 |
16 | 71 |
17 | 74 |
18 | 77 |
19 | 111 |
20 | 200 |
21 | 411 |
22 | 500 |
23 | 502 |
24 | 711 |
25 | 800 |
26 | 802 |
27 | 1111 |
28 | 2000 |
29 | 2002 |
30 | 2003 |
31 | 4111 |
32 | 5000 |
33 | 5002 |
34 | 7111 |
35 | 8000 |
36 | 8002 |
37 | 11111 |
38 | 20000 |
39 | 20002 |
40 | 41111 |
41 | 41114 |
42 | 41117 |
43 | 41141 |
44 | 41144 |
45 | 41147 |
46 | 41171 |
47 | 41174 |
48 | 41177 |
49 | 41411 |
50 | 50000 |
[0,1,2,3,4,5,6,7,8,9,11,14,17,41,44,47,71,74,77, 111,200,411,500,502,711,800,802,1111,2000,2002, 2003,4111,5000,5002,7111,8000,8002,11111,20000, 20002,41111,41114,41117,41141,41144,41147,41171, 41174,41177,41411,50000] |