n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 180 |
3 | 630 |
4 | 2100 |
5 | 3465 |
6 | 6306300 |
7 | 30030 |
8 | 2187900 |
9 | 101846745 |
10 | 355655300 |
11 | 133855722 |
12 | 121808707020 |
13 | 10140585 |
14 | 194090796900 |
15 | 46329473220030 |
16 | 4870754760300 |
17 | 300840735195 |
18 | 384913687052594700 |
19 | 2473579378270 |
20 | 100402586963979300 |
21 | 27473798796507063 |
22 | 17194486321623468 |
[1,12,180,630,2100,3465,6306300,30030,2187900, 101846745,355655300,133855722,121808707020, 10140585,194090796900,46329473220030, 4870754760300,300840735195,384913687052594700, 2473579378270,100402586963979300, 27473798796507063,17194486321623468] |