n | a(n) |
---|---|
3 | 12 |
4 | 16 |
5 | 0 |
6 | 0 |
7 | 168 |
8 | 384 |
9 | 0 |
10 | 0 |
11 | 4576 |
12 | 11808 |
13 | 0 |
14 | 0 |
15 | 232920 |
16 | 654848 |
17 | 0 |
18 | 0 |
19 | 16141792 |
20 | 48181600 |
21 | 0 |
22 | 0 |
23 | 1540635588 |
24 | 5155171200 |
25 | 0 |
26 | 0 |
[12,16,0,0,168,384,0,0,4576,11808,0,0,232920, 654848,0,0,16141792,48181600,0,0,1540635588, 5155171200,0,0] |