n | a(n) |
---|---|
1 | 3 |
2 | 11 |
3 | 29 |
4 | 127 |
5 | 347 |
6 | 1087 |
7 | 3079 |
8 | 8419 |
9 | 23531 |
10 | 64553 |
11 | 175211 |
12 | 480881 |
13 | 1304519 |
14 | 3523901 |
15 | 9558533 |
16 | 25874767 |
17 | 70115473 |
18 | 189961193 |
19 | 514272463 |
20 | 1394193607 |
21 | 3779851091 |
22 | 10246935679 |
23 | 27788566133 |
24 | 75370121191 |
25 | 204475052401 |
26 | 554805820477 |
27 | 1505578023841 |
28 | 4086199302077 |
[3,11,29,127,347,1087,3079,8419,23531,64553, 175211,480881,1304519,3523901,9558533,25874767, 70115473,189961193,514272463,1394193607, 3779851091,10246935679,27788566133,75370121191, 204475052401,554805820477,1505578023841, 4086199302077] |