n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 60 |
3 | 840 |
4 | 15120 |
5 | 332640 |
6 | 8648640 |
7 | 259459200 |
8 | 8821612800 |
9 | 335221286400 |
10 | 14079294028800 |
11 | 647647525324800 |
12 | 32382376266240000 |
13 | 1748648318376960000 |
14 | 101421602465863680000 |
15 | 6288139352883548160000 |
16 | 415017197290314178560000 |
[1,6,60,840,15120,332640,8648640,259459200, 8821612800,335221286400,14079294028800, 647647525324800,32382376266240000, 1748648318376960000,101421602465863680000, 6288139352883548160000,415017197290314178560000] |