n | a(n) |
---|---|
1 | 26 |
2 | 64 |
3 | 140 |
4 | 290 |
5 | 586 |
6 | 1172 |
7 | 2336 |
8 | 4654 |
9 | 9278 |
10 | 18512 |
11 | 36964 |
12 | 73850 |
13 | 147602 |
14 | 295084 |
15 | 590024 |
16 | 1179878 |
17 | 2359558 |
18 | 4718888 |
19 | 9437516 |
20 | 18874738 |
21 | 37749146 |
22 | 75497924 |
23 | 150995440 |
24 | 301990430 |
25 | 603980366 |
26 | 1207960192 |
27 | 2415919796 |
28 | 4831838954 |
[26,64,140,290,586,1172,2336,4654,9278,18512, 36964,73850,147602,295084,590024,1179878,2359558, 4718888,9437516,18874738,37749146,75497924, 150995440,301990430,603980366,1207960192, 2415919796,4831838954] |