n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 6 |
6 | 30 |
7 | 150 |
8 | 210 |
9 | 210 |
10 | 210 |
11 | 2310 |
12 | 2310 |
13 | 30030 |
14 | 30030 |
15 | 30030 |
16 | 30030 |
17 | 510510 |
18 | 510510 |
19 | 9699690 |
20 | 9699690 |
21 | 9699690 |
[0,1,2,6,6,30,150,210,210,210,2310,2310,30030, 30030,30030,30030,510510,510510,9699690,9699690, 9699690] |