n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 14 |
3 | 38 |
4 | 98 |
5 | 258 |
6 | 674 |
7 | 1766 |
8 | 4622 |
9 | 12102 |
10 | 31682 |
11 | 82946 |
12 | 217154 |
13 | 568518 |
14 | 1488398 |
15 | 3896678 |
16 | 10201634 |
17 | 26708226 |
18 | 69923042 |
19 | 183060902 |
20 | 479259662 |
21 | 1254718086 |
22 | 3284894594 |
23 | 8599965698 |
24 | 22515002498 |
25 | 58945041798 |
26 | 154320122894 |
27 | 404015326886 |
28 | 1057725857762 |
[2,6,14,38,98,258,674,1766,4622,12102,31682,82946, 217154,568518,1488398,3896678,10201634,26708226, 69923042,183060902,479259662,1254718086, 3284894594,8599965698,22515002498,58945041798, 154320122894,404015326886,1057725857762] |