n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 12 |
6 | 60 |
7 | 30 |
8 | 210 |
9 | 840 |
10 | 2520 |
11 | 1260 |
12 | 13860 |
13 | 13860 |
14 | 180180 |
15 | 90090 |
16 | 30030 |
17 | 240240 |
18 | 4084080 |
19 | 6126120 |
20 | 116396280 |
21 | 58198140 |
22 | 58198140 |
[1,1,2,6,12,60,30,210,840,2520,1260,13860,13860, 180180,90090,30030,240240,4084080,6126120, 116396280,58198140,58198140] |