n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 4 |
4 | 32 |
5 | 351 |
6 | 5057 |
7 | 90756 |
8 | 1956971 |
9 | 49366904 |
10 | 1427680932 |
11 | 46590895869 |
12 | 1694163054597 |
13 | 67938488277050 |
14 | 2978980898086377 |
15 | 141801848209013050 |
16 | 7282651452378019772 |
17 | 401410357608479625207 |
18 | 23635996827115264290005 |
[1,0,1,4,32,351,5057,90756,1956971,49366904, 1427680932,46590895869,1694163054597, 67938488277050,2978980898086377, 141801848209013050,7282651452378019772, 401410357608479625207,23635996827115264290005] |