n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 44 |
3 | 212 |
4 | 1020 |
5 | 4980 |
6 | 24348 |
7 | 118868 |
8 | 580156 |
9 | 2831924 |
10 | 13824092 |
11 | 67481876 |
12 | 329408892 |
13 | 1607991540 |
14 | 7849328028 |
15 | 38316090836 |
16 | 187038012604 |
17 | 913016364980 |
18 | 4456842098396 |
19 | 21755843899028 |
20 | 106200025265148 |
21 | 518409923170932 |
22 | 2530591191342108 |
23 | 12352949840710484 |
[1,8,44,212,1020,4980,24348,118868,580156,2831924, 13824092,67481876,329408892,1607991540,7849328028, 38316090836,187038012604,913016364980, 4456842098396,21755843899028,106200025265148, 518409923170932,2530591191342108, 12352949840710484] |