n | a(n) |
---|---|
0 | 1 |
1 | 60 |
2 | 20160 |
3 | 987033600 |
4 | 258492255436800 |
5 | 361310134959341568000 |
6 | 72736898347485916060188672000 |
7 | 78099458182389588115529148326215680000 |
8 | 447244452196213365088128369288351077766266880000 |
[1,60,20160,987033600,258492255436800, 361310134959341568000, 72736898347485916060188672000, 78099458182389588115529148326215680000, 447244452196213365088128369288351077766266880000] |