n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 24 |
4 | 180 |
5 | 2520 |
6 | 30240 |
7 | 604800 |
8 | 9979200 |
9 | 259459200 |
10 | 5448643200 |
11 | 174356582400 |
12 | 4446092851200 |
13 | 168951528345600 |
14 | 5068545850368000 |
15 | 223016017416192000 |
16 | 7694052600858624000 |
17 | 384702630042931200000 |
18 | 15003402571674316800000 |
[1,3,24,180,2520,30240,604800,9979200,259459200, 5448643200,174356582400,4446092851200, 168951528345600,5068545850368000, 223016017416192000,7694052600858624000, 384702630042931200000,15003402571674316800000] |