n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 6 |
4 | 36 |
5 | 105 |
6 | 120 |
7 | 210 |
8 | 630 |
9 | 5460 |
10 | 25200 |
11 | 73920 |
12 | 97020 |
13 | 157080 |
14 | 1185030 |
15 | 2031120 |
16 | 2162160 |
17 | 17907120 |
18 | 76576500 |
19 | 236215980 |
20 | 7534947420 |
21 | 12249176940 |
22 | 78091322400 |
23 | 203522319000 |
24 | 666365279580 |
25 | 2427046221600 |
26 | 3638780505360 |
27 | 12112252031880 |
28 | 70233049766880 |
29 | 108825865948800 |
[1,3,6,36,105,120,210,630,5460,25200,73920,97020, 157080,1185030,2031120,2162160,17907120,76576500, 236215980,7534947420,12249176940,78091322400, 203522319000,666365279580,2427046221600, 3638780505360,12112252031880,70233049766880, 108825865948800] |