n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 23 |
4 | 59 |
5 | 135 |
6 | 291 |
7 | 607 |
8 | 1243 |
9 | 2519 |
10 | 5075 |
11 | 10191 |
12 | 20427 |
13 | 40903 |
14 | 81859 |
15 | 163775 |
16 | 327611 |
17 | 655287 |
18 | 1310643 |
19 | 2621359 |
20 | 5242795 |
21 | 10485671 |
22 | 20971427 |
23 | 41942943 |
24 | 83885979 |
25 | 167772055 |
26 | 335544211 |
27 | 671088527 |
28 | 1342177163 |
29 | 2684354439 |
[1,7,23,59,135,291,607,1243,2519,5075,10191,20427, 40903,81859,163775,327611,655287,1310643,2621359, 5242795,10485671,20971427,41942943,83885979, 167772055,335544211,671088527,1342177163, 2684354439] |