n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 48 |
4 | 828 |
5 | 8820 |
6 | 26100 |
7 | 417600 |
8 | 2114100 |
9 | 3009600 |
10 | 43864128 |
11 | 200278848 |
12 | 1013911668 |
13 | 7823392500 |
14 | 16222586688 |
15 | 259561387008 |
16 | 633694792500 |
17 | 4152982192128 |
[1,3,48,828,8820,26100,417600,2114100,3009600, 43864128,200278848,1013911668,7823392500, 16222586688,259561387008,633694792500, 4152982192128] |