n | a(n) |
---|---|
1 | 31 |
2 | 131 |
3 | 151 |
4 | 155 |
5 | 631 |
6 | 651 |
7 | 655 |
8 | 751 |
9 | 755 |
10 | 775 |
11 | 3131 |
12 | 3151 |
13 | 3155 |
14 | 3251 |
15 | 3255 |
16 | 3275 |
17 | 3751 |
18 | 3755 |
19 | 3775 |
20 | 3875 |
21 | 15631 |
22 | 15651 |
23 | 15655 |
24 | 15751 |
25 | 15755 |
26 | 15775 |
27 | 16251 |
28 | 16255 |
29 | 16275 |
30 | 16375 |
31 | 18751 |
32 | 18755 |
33 | 18775 |
34 | 18875 |
35 | 19375 |
36 | 78131 |
37 | 78151 |
38 | 78155 |
39 | 78251 |
40 | 78255 |
41 | 78275 |
42 | 78751 |
[31,131,151,155,631,651,655,751,755,775,3131,3151, 3155,3251,3255,3275,3751,3755,3775,3875,15631, 15651,15655,15751,15755,15775,16251,16255,16275, 16375,18751,18755,18775,18875,19375,78131,78151, 78155,78251,78255,78275,78751] |