n | a(n) |
---|---|
1 | 3 |
2 | 9 |
3 | 39 |
4 | 183 |
5 | 833 |
6 | 3629 |
7 | 15291 |
8 | 63051 |
9 | 256605 |
10 | 1036401 |
11 | 4167815 |
12 | 16720031 |
13 | 66986169 |
14 | 268173525 |
15 | 1073185011 |
16 | 4293787923 |
17 | 17177379125 |
18 | 68714234201 |
19 | 274866897279 |
20 | 1099488559527 |
21 | 4397998277073 |
22 | 17592085381629 |
23 | 70368534463019 |
24 | 281474540503643 |
25 | 1125899000873613 |
[3,9,39,183,833,3629,15291,63051,256605,1036401, 4167815,16720031,66986169,268173525,1073185011, 4293787923,17177379125,68714234201,274866897279, 1099488559527,4397998277073,17592085381629, 70368534463019,281474540503643,1125899000873613] |