n | a(n) |
---|---|
1 | 7 |
2 | 31 |
3 | 1231 |
4 | 4231 |
5 | 366031 |
6 | 819031 |
7 | 1155631 |
8 | 1311031 |
9 | 1575031 |
10 | 3822031 |
11 | 4389031 |
12 | 4515631 |
13 | 5880631 |
14 | 7102231 |
15 | 9333031 |
16 | 9954031 |
17 | 13213231 |
18 | 13432231 |
19 | 16120231 |
20 | 19140631 |
21 | 25654231 |
22 | 34987231 |
23 | 37393231 |
24 | 38875231 |
25 | 39375631 |
26 | 41152231 |
27 | 47955631 |
28 | 52345231 |
29 | 53655631 |
30 | 62647231 |
31 | 67486231 |
[7,31,1231,4231,366031,819031,1155631,1311031, 1575031,3822031,4389031,4515631,5880631,7102231, 9333031,9954031,13213231,13432231,16120231, 19140631,25654231,34987231,37393231,38875231, 39375631,41152231,47955631,52345231,53655631, 62647231,67486231] |