n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 6 |
5 | 30 |
6 | 20 |
7 | 140 |
8 | 70 |
9 | 630 |
10 | 7 |
11 | 77 |
12 | 924 |
13 | 12012 |
14 | 3432 |
15 | 51480 |
16 | 12870 |
17 | 218790 |
18 | 48620 |
19 | 923780 |
20 | 184756 |
21 | 3879876 |
22 | 705432 |
23 | 16224936 |
24 | 2704156 |
25 | 67603900 |
26 | 10400600 |
27 | 280816200 |
28 | 178296 |
29 | 5170584 |
30 | 155117520 |
31 | 4808643120 |
32 | 601080390 |
33 | 19835652870 |
[1,2,6,6,30,20,140,70,630,7,77,924,12012,3432, 51480,12870,218790,48620,923780,184756,3879876, 705432,16224936,2704156,67603900,10400600, 280816200,178296,5170584,155117520,4808643120, 601080390,19835652870] |