n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 44 |
3 | 220 |
4 | 956 |
5 | 3964 |
6 | 16124 |
7 | 65020 |
8 | 261116 |
9 | 1046524 |
10 | 4190204 |
11 | 16769020 |
12 | 67092476 |
13 | 268402684 |
14 | 1073676284 |
15 | 4294836220 |
[1,8,44,220,956,3964,16124,65020,261116,1046524, 4190204,16769020,67092476,268402684,1073676284, 4294836220] |