n | a(n) |
---|---|
1 | 0 |
2 | 96 |
3 | 1560 |
4 | 20160 |
5 | 246840 |
6 | 2978976 |
7 | 35806680 |
8 | 429889920 |
9 | 5159439480 |
10 | 61916079456 |
11 | 743003467800 |
12 | 8916081545280 |
13 | 106993131892920 |
14 | 1283918176981536 |
15 | 15407020443448920 |
16 | 184884254427882240 |
17 | 2218611089044007160 |
18 | 26623333210616085216 |
19 | 319479999091095974040 |
[0,96,1560,20160,246840,2978976,35806680, 429889920,5159439480,61916079456,743003467800, 8916081545280,106993131892920,1283918176981536, 15407020443448920,184884254427882240, 2218611089044007160,26623333210616085216, 319479999091095974040] |