n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 5 |
4 | 7 |
5 | 22 |
6 | 33 |
7 | 55 |
8 | 77 |
9 | 222 |
10 | 333 |
11 | 555 |
12 | 735 |
13 | 777 |
14 | 2222 |
15 | 2232 |
16 | 2322 |
17 | 2772 |
18 | 3222 |
19 | 3333 |
20 | 3555 |
21 | 5355 |
22 | 5535 |
23 | 5555 |
24 | 5775 |
25 | 7777 |
26 | 22222 |
27 | 22332 |
28 | 22722 |
29 | 23232 |
30 | 23322 |
31 | 23772 |
32 | 27272 |
33 | 32232 |
34 | 32322 |
35 | 33222 |
36 | 33333 |
37 | 33555 |
38 | 35355 |
39 | 35535 |
40 | 37737 |
41 | 53355 |
42 | 53535 |
[2,3,5,7,22,33,55,77,222,333,555,735,777,2222, 2232,2322,2772,3222,3333,3555,5355,5535,5555,5775, 7777,22222,22332,22722,23232,23322,23772,27272, 32232,32322,33222,33333,33555,35355,35535,37737, 53355,53535] |