n | a(n) |
---|---|
0 | 2 |
1 | 8 |
2 | 1152 |
3 | 696729600 |
4 | 89181388800 |
5 | 48126558103142400 |
6 | 409825748158189771161600 |
7 | 55428899652335313894424707072000 |
[2,8,1152,696729600,89181388800,48126558103142400, 409825748158189771161600, 55428899652335313894424707072000] |