n | a(n) |
---|---|
1 | 5 |
2 | 35 |
3 | 57 |
4 | 355 |
5 | 359 |
6 | 557 |
7 | 579 |
8 | 3335 |
9 | 3357 |
10 | 5579 |
11 | 5777 |
12 | 33557 |
13 | 35559 |
14 | 333555 |
15 | 357799 |
16 | 557779 |
17 | 3335779 |
18 | 3355777 |
19 | 33333577 |
[5,35,57,355,359,557,579,3335,3357,5579,5777, 33557,35559,333555,357799,557779,3335779,3355777, 33333577] |