n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 2 |
4 | 6 |
5 | 6 |
6 | 20 |
7 | 20 |
8 | 76 |
9 | 76 |
10 | 312 |
11 | 312 |
12 | 1384 |
13 | 1384 |
14 | 6512 |
15 | 6512 |
16 | 32400 |
17 | 32400 |
18 | 168992 |
19 | 168992 |
20 | 921184 |
21 | 921184 |
22 | 5222208 |
23 | 5222208 |
24 | 30710464 |
25 | 30710464 |
26 | 186753920 |
27 | 186753920 |
28 | 1171979904 |
29 | 1171979904 |
30 | 7573069568 |
31 | 7573069568 |
32 | 50305536256 |
33 | 50305536256 |
34 | 342949298688 |
[1,1,2,2,6,6,20,20,76,76,312,312,1384,1384,6512, 6512,32400,32400,168992,168992,921184,921184, 5222208,5222208,30710464,30710464,186753920, 186753920,1171979904,1171979904,7573069568, 7573069568,50305536256,50305536256,342949298688] |