n | a(n) |
---|---|
1 | 0 |
2 | 6 |
3 | 34 |
4 | 1242 |
5 | 28216 |
6 | 4092246 |
7 | 318984080 |
8 | 159130979900 |
9 | 43562979789278 |
10 | 76371552378548280 |
11 | 73355302704339455588 |
[0,6,34,1242,28216,4092246,318984080,159130979900, 43562979789278,76371552378548280, 73355302704339455588] |