n | a(n) |
---|---|
1 | 5 |
2 | 17 |
3 | 73 |
4 | 257 |
5 | 757 |
6 | 65537 |
7 | 262657 |
8 | 1772893 |
9 | 4432676798593 |
10 | 48551233240513 |
11 | 378890487846991 |
12 | 3156404483062657 |
13 | 17390284913300671 |
14 | 280343912759041771 |
15 | 319913861581383373 |
16 | 487014306953858713 |
17 | 5559917315850179173 |
18 | 7824668707707203971 |
19 | 8443914727229480773 |
20 | 32564717507686012813 |
[5,17,73,257,757,65537,262657,1772893, 4432676798593,48551233240513,378890487846991, 3156404483062657,17390284913300671, 280343912759041771,319913861581383373, 487014306953858713,5559917315850179173, 7824668707707203971,8443914727229480773, 32564717507686012813] |