n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 60 |
3 | 700 |
4 | 8820 |
5 | 116424 |
6 | 1585584 |
7 | 22084920 |
8 | 312869700 |
9 | 4491418360 |
10 | 65166397296 |
11 | 953799087696 |
12 | 14062422446800 |
13 | 208618354980000 |
14 | 3111393751416000 |
15 | 46619049708716400 |
16 | 701342468412012900 |
[1,6,60,700,8820,116424,1585584,22084920, 312869700,4491418360,65166397296,953799087696, 14062422446800,208618354980000,3111393751416000, 46619049708716400,701342468412012900] |