n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 8 |
4 | 320 |
5 | 27584 |
6 | 6991360 |
7 | 5179178368 |
8 | 11396324458496 |
9 | 74944172892993536 |
10 | 1476405354971707604992 |
11 | 87208352627656970712229888 |
12 | 15450530398306943408625302896640 |
13 | 8211400756816955708062672318337859584 |
[0,2,8,320,27584,6991360,5179178368, 11396324458496,74944172892993536, 1476405354971707604992,87208352627656970712229888, 15450530398306943408625302896640, 8211400756816955708062672318337859584] |