n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 36 |
3 | 204 |
4 | 1086 |
5 | 5916 |
6 | 31998 |
7 | 173502 |
8 | 940005 |
9 | 5094220 |
10 | 27604798 |
11 | 149590922 |
12 | 810627389 |
13 | 4392774126 |
14 | 23804329059 |
15 | 128995094597 |
16 | 699021261776 |
17 | 3787979292364 |
18 | 20526967746120 |
19 | 111235140046330 |
20 | 602780523265720 |
21 | 3266453022809170 |
22 | 17700829632401740 |
23 | 95920366069513405 |
[1,8,36,204,1086,5916,31998,173502,940005,5094220, 27604798,149590922,810627389,4392774126, 23804329059,128995094597,699021261776, 3787979292364,20526967746120,111235140046330, 602780523265720,3266453022809170, 17700829632401740,95920366069513405] |