n | a(n) |
---|---|
1 | 2 |
2 | 0 |
3 | 30 |
4 | 1122 |
5 | 2730 |
6 | 72930 |
7 | 870870 |
8 | 9699690 |
9 | 340510170 |
10 | 9592993410 |
11 | 265257422430 |
12 | 8624101075590 |
13 | 304250263527210 |
14 | 14299762385778870 |
15 | 1164365758518632670 |
16 | 43657174563782890110 |
17 | 1987938667108592728530 |
[2,0,30,1122,2730,72930,870870,9699690,340510170, 9592993410,265257422430,8624101075590, 304250263527210,14299762385778870, 1164365758518632670,43657174563782890110, 1987938667108592728530] |