n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 48 |
3 | 420 |
4 | 3840 |
5 | 36036 |
6 | 344064 |
7 | 3325608 |
8 | 32440320 |
9 | 318704100 |
10 | 3148873728 |
11 | 31256180280 |
12 | 311452237824 |
13 | 3113596420200 |
14 | 31213674823680 |
15 | 313672599360720 |
16 | 3158823892156416 |
17 | 31870058661517860 |
18 | 322076161553203200 |
19 | 3259691964853493400 |
20 | 33034843349204336640 |
21 | 335189468043077792760 |
[1,6,48,420,3840,36036,344064,3325608,32440320, 318704100,3148873728,31256180280,311452237824, 3113596420200,31213674823680,313672599360720, 3158823892156416,31870058661517860, 322076161553203200,3259691964853493400, 33034843349204336640,335189468043077792760] |