n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 54 |
4 | 496 |
5 | 5400 |
6 | 73728 |
7 | 1204322 |
8 | 23167808 |
9 | 512093178 |
10 | 12781430600 |
11 | 355128859129 |
12 | 10863077554224 |
13 | 362572265689777 |
14 | 13107541496092960 |
15 | 510105773344747725 |
16 | 21258690342206888192 |
17 | 944467894258279964254 |
18 | 44555341678790400325512 |
19 | 2224158766859058600584834 |
20 | 117123916650423288611260400 |
[1,1,8,54,496,5400,73728,1204322,23167808, 512093178,12781430600,355128859129,10863077554224, 362572265689777,13107541496092960, 510105773344747725,21258690342206888192, 944467894258279964254,44555341678790400325512, 2224158766859058600584834, 117123916650423288611260400] |