n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 4 |
4 | -36 |
5 | 600 |
6 | -16584 |
7 | 705600 |
8 | -43751232 |
9 | 3790108800 |
10 | -443539877760 |
11 | 68218849036800 |
12 | -13478425925184000 |
13 | 3355402067989171200 |
14 | -1035218714714606822400 |
15 | 390189256983139461120000 |
16 | -177430554756972746695065600 |
17 | 96269372301568677170319360000 |
[1,1,-1,4,-36,600,-16584,705600,-43751232, 3790108800,-443539877760,68218849036800, -13478425925184000,3355402067989171200, -1035218714714606822400,390189256983139461120000, -177430554756972746695065600, 96269372301568677170319360000] |