n | a(n) |
---|---|
0 | 0 |
1 | 6 |
2 | 240 |
3 | 12600 |
4 | 846720 |
5 | 69854400 |
6 | 6849722880 |
7 | 779155977600 |
8 | 100919250432000 |
9 | 14668613050291200 |
10 | 2364758225077248000 |
11 | 418798681661180620800 |
12 | 80831074222717378560000 |
13 | 16887920864389166592000000 |
14 | 3797443866983262444748800000 |
15 | 914438045469094536918528000000 |
[0,6,240,12600,846720,69854400,6849722880, 779155977600,100919250432000,14668613050291200, 2364758225077248000,418798681661180620800, 80831074222717378560000, 16887920864389166592000000, 3797443866983262444748800000, 914438045469094536918528000000] |