n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 30 |
4 | 210 |
5 | 2310 |
6 | 30030 |
7 | 690690 |
8 | 14804790 |
9 | 223092870 |
10 | 8254436190 |
11 | 200560490130 |
12 | 8222980095330 |
13 | 304250263527210 |
14 | 13082761331670030 |
15 | 614889782588491410 |
16 | 32589158477190044730 |
17 | 1987938667108592728530 |
18 | 117288381359406970983270 |
19 | 7858321551080267055879090 |
[1,2,6,30,210,2310,30030,690690,14804790, 223092870,8254436190,200560490130,8222980095330, 304250263527210,13082761331670030, 614889782588491410,32589158477190044730, 1987938667108592728530,117288381359406970983270, 7858321551080267055879090] |