n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 8 |
3 | 368 |
4 | 18048 |
5 | 2068992 |
6 | 306585600 |
7 | 69776517120 |
8 | 20465184768000 |
9 | 7935055273328640 |
10 | 3823692307188940800 |
11 | 2274500815301011046400 |
12 | 1624840840672099644211200 |
13 | 1378125905023775157056962560 |
[0,2,8,368,18048,2068992,306585600,69776517120, 20465184768000,7935055273328640, 3823692307188940800,2274500815301011046400, 1624840840672099644211200, 1378125905023775157056962560] |