n | a(n) |
---|---|
7 | 1 |
8 | 0 |
9 | 36 |
10 | 240 |
11 | 2970 |
12 | 34848 |
13 | 454740 |
14 | 6362928 |
15 | 95450355 |
16 | 1527194240 |
17 | 25962321528 |
18 | 467321755680 |
19 | 8879113408308 |
20 | 177582268088640 |
21 | 3729227629977720 |
22 | 82043007859339296 |
23 | 1886989180765048965 |
24 | 45287740338360829056 |
[1,0,36,240,2970,34848,454740,6362928,95450355, 1527194240,25962321528,467321755680,8879113408308, 177582268088640,3729227629977720, 82043007859339296,1886989180765048965, 45287740338360829056] |