n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 362880 |
11 | 3991680 |
12 | 47900160 |
13 | 622702080 |
14 | 8717829120 |
15 | 130767436800 |
16 | 2092278988800 |
17 | 35568742809600 |
18 | 640237370572800 |
19 | 12164510040883200 |
20 | 231125690776780800 |
21 | 4853639506312396800 |
22 | 106780069138872729600 |
23 | 2455941590194072780800 |
[0,0,0,0,0,0,0,0,0,0,362880,3991680,47900160, 622702080,8717829120,130767436800,2092278988800, 35568742809600,640237370572800,12164510040883200, 231125690776780800,4853639506312396800, 106780069138872729600,2455941590194072780800] |