n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 3 |
5 | 15 |
6 | 45 |
7 | 315 |
8 | 315 |
9 | 2835 |
10 | 14175 |
11 | 155925 |
12 | 467775 |
13 | 6081075 |
14 | 3869775 |
15 | 638512875 |
16 | 638512875 |
17 | 10854718875 |
18 | 8881133625 |
19 | 1856156927625 |
20 | 9280784638125 |
21 | 194896477400625 |
22 | 2143861251406875 |
23 | 2595200462229375 |
[1,1,3,3,15,45,315,315,2835,14175,155925,467775, 6081075,3869775,638512875,638512875,10854718875, 8881133625,1856156927625,9280784638125, 194896477400625,2143861251406875,2595200462229375] |