n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 61 |
3 | 649 |
4 | 8257 |
5 | 123217 |
6 | 2120545 |
7 | 41484625 |
8 | 911339617 |
9 | 22249542241 |
10 | 598364232529 |
11 | 17591851634353 |
12 | 561695417002225 |
13 | 19366094448215665 |
14 | 717377453802538753 |
15 | 28423991158962139873 |
16 | 1199873992182732076225 |
17 | 53772852099331738315969 |
18 | 2550272224743737587911025 |
[1,7,61,649,8257,123217,2120545,41484625, 911339617,22249542241,598364232529,17591851634353, 561695417002225,19366094448215665, 717377453802538753,28423991158962139873, 1199873992182732076225,53772852099331738315969, 2550272224743737587911025] |