n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 68 |
4 | 608 |
5 | 5664 |
6 | 54528 |
7 | 538944 |
8 | 5441024 |
9 | 55889408 |
10 | 582348800 |
11 | 6140864512 |
12 | 65414742016 |
13 | 702897995776 |
14 | 7609805045760 |
15 | 82929151328256 |
16 | 908978855215104 |
17 | 10014523823357952 |
18 | 110840574196580352 |
19 | 1231847926116384768 |
[1,1,8,68,608,5664,54528,538944,5441024,55889408, 582348800,6140864512,65414742016,702897995776, 7609805045760,82929151328256,908978855215104, 10014523823357952,110840574196580352, 1231847926116384768] |