n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 11 |
3 | 330 |
4 | 19140 |
5 | 1818300 |
6 | 256380300 |
7 | 50250538800 |
8 | 13065140088000 |
9 | 4350691649304000 |
10 | 1805537034461160000 |
11 | 913601739437346960000 |
12 | 553642654099032257760000 |
13 | 395854497680808064298400000 |
[1,1,11,330,19140,1818300,256380300,50250538800, 13065140088000,4350691649304000, 1805537034461160000,913601739437346960000, 553642654099032257760000, 395854497680808064298400000] |