n | a(n) |
---|---|
1 | 2 |
2 | 16 |
3 | 102 |
4 | 720 |
5 | 6398 |
6 | 54684 |
7 | 468348 |
8 | 4356936 |
9 | 41716708 |
10 | 403445900 |
11 | 4037337213 |
12 | 41571957024 |
13 | 435311467198 |
14 | 4653843868560 |
15 | 50835606848268 |
16 | 564791240516000 |
17 | 6378296516533122 |
18 | 73247208566761530 |
19 | 853936849893078000 |
[2,16,102,720,6398,54684,468348,4356936,41716708, 403445900,4037337213,41571957024,435311467198, 4653843868560,50835606848268,564791240516000, 6378296516533122,73247208566761530, 853936849893078000] |