n | a(n) |
---|---|
1 | 3 |
2 | 7 |
3 | 15 |
4 | 59 |
5 | 143 |
6 | 367 |
7 | 1039 |
8 | 2755 |
9 | 7395 |
10 | 20007 |
11 | 53727 |
12 | 144635 |
13 | 389535 |
14 | 1048159 |
15 | 2821535 |
16 | 7595267 |
17 | 20443523 |
18 | 55029319 |
19 | 148125295 |
20 | 398712379 |
21 | 1073232175 |
22 | 2888862159 |
23 | 7776059055 |
24 | 20931132355 |
25 | 56341155043 |
26 | 151655701607 |
27 | 408217663167 |
28 | 1098815603707 |
29 | 2957725352255 |
[3,7,15,59,143,367,1039,2755,7395,20007,53727, 144635,389535,1048159,2821535,7595267,20443523, 55029319,148125295,398712379,1073232175, 2888862159,7776059055,20931132355,56341155043, 151655701607,408217663167,1098815603707, 2957725352255] |