n | a(n) |
---|---|
0 | 8 |
1 | 55 |
2 | 378 |
3 | 2598 |
4 | 17856 |
5 | 122724 |
6 | 843480 |
7 | 5797224 |
8 | 39844224 |
9 | 273848688 |
10 | 1882157472 |
11 | 12936036960 |
12 | 88909166592 |
13 | 611071221312 |
14 | 4199882327424 |
15 | 28865721292416 |
16 | 198393621719040 |
17 | 1363556058068736 |
18 | 9371698078726656 |
19 | 64411524820772352 |
20 | 442699337396994048 |
[8,55,378,2598,17856,122724,843480,5797224, 39844224,273848688,1882157472,12936036960, 88909166592,611071221312,4199882327424, 28865721292416,198393621719040,1363556058068736, 9371698078726656,64411524820772352, 442699337396994048] |