n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 78 |
3 | 1260 |
4 | 22470 |
5 | 424116 |
6 | 8305836 |
7 | 166929048 |
8 | 3419932230 |
9 | 71109813060 |
10 | 1496053026468 |
11 | 31777397077608 |
12 | 680354749147164 |
13 | 14664155597771400 |
14 | 317877850826299800 |
15 | 6924815555276838960 |
16 | 151505459922479997510 |
17 | 3327336781596164286180 |
[1,6,78,1260,22470,424116,8305836,166929048, 3419932230,71109813060,1496053026468, 31777397077608,680354749147164,14664155597771400, 317877850826299800,6924815555276838960, 151505459922479997510,3327336781596164286180] |