n | a(n) |
---|---|
1 | 4 |
2 | 64 |
3 | 324 |
4 | 2025 |
5 | 15625 |
6 | 102400 |
7 | 692224 |
8 | 4826809 |
9 | 32867289 |
10 | 224820036 |
11 | 1544804416 |
12 | 10578122500 |
13 | 72482100625 |
14 | 496981290961 |
15 | 3405885014016 |
16 | 23343276294144 |
17 | 160005726539569 |
18 | 1096673231227249 |
19 | 7516662847716100 |
20 | 51520374361000000 |
[4,64,324,2025,15625,102400,692224,4826809, 32867289,224820036,1544804416,10578122500, 72482100625,496981290961,3405885014016, 23343276294144,160005726539569,1096673231227249, 7516662847716100,51520374361000000] |