n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 72 |
3 | 480 |
4 | 2640 |
5 | 12672 |
6 | 54912 |
7 | 219648 |
8 | 823680 |
9 | 2928640 |
10 | 9957376 |
11 | 32587776 |
12 | 103194624 |
13 | 317521920 |
14 | 952565760 |
15 | 2794192896 |
16 | 8033304576 |
17 | 22682271744 |
18 | 63006310400 |
19 | 172438323200 |
20 | 465583472640 |
21 | 1241555927040 |
22 | 3273192898560 |
[1,8,72,480,2640,12672,54912,219648,823680, 2928640,9957376,32587776,103194624,317521920, 952565760,2794192896,8033304576,22682271744, 63006310400,172438323200,465583472640, 1241555927040,3273192898560] |