n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 5 |
4 | 41 |
5 | 394 |
6 | 4704 |
7 | 65386 |
8 | 1049754 |
9 | 19032392 |
10 | 385419072 |
11 | 8615947592 |
12 | 210831826952 |
13 | 5604404196832 |
14 | 160834760288864 |
15 | 4955867959526784 |
16 | 163197046787269792 |
17 | 5719576163352685696 |
18 | 212565832527352216928 |
19 | 8350117027586731306848 |
[0,0,1,5,41,394,4704,65386,1049754,19032392, 385419072,8615947592,210831826952,5604404196832, 160834760288864,4955867959526784, 163197046787269792,5719576163352685696, 212565832527352216928,8350117027586731306848] |