n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 21 |
4 | 305872 |
5 | 50984927470 |
6 | 47703798786066840 |
7 | 209367461452656000222414 |
8 | 3715952487541217998469935646848 |
9 | 235540792783974946951038854447958540420 |
10 | 48023201408596246269169102263301826304599932800 |
[0,0,21,305872,50984927470,47703798786066840, 209367461452656000222414, 3715952487541217998469935646848, 235540792783974946951038854447958540420, 48023201408596246269169102263301826304599932800] |