n | a(n) |
---|---|
1 | 4 |
2 | 28 |
3 | 396 |
4 | 4904 |
5 | 57100 |
6 | 690204 |
7 | 8590508 |
8 | 107540900 |
9 | 1351412312 |
10 | 17089354228 |
11 | 217260030296 |
12 | 2772566648936 |
13 | 35493572774080 |
14 | 455659755476112 |
15 | 5864044526023588 |
16 | 75626604339946212 |
17 | 977151287857792884 |
[4,28,396,4904,57100,690204,8590508,107540900, 1351412312,17089354228,217260030296,2772566648936, 35493572774080,455659755476112,5864044526023588, 75626604339946212,977151287857792884] |