n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 7 |
5 | 13 |
6 | 29 |
7 | 71 |
8 | 163 |
9 | 377 |
10 | 913 |
11 | 2219 |
12 | 5375 |
13 | 13189 |
14 | 32677 |
15 | 81167 |
16 | 202523 |
17 | 508273 |
18 | 1280537 |
19 | 3236275 |
20 | 8207543 |
21 | 20880893 |
22 | 53263405 |
23 | 136205527 |
24 | 349137811 |
25 | 896881641 |
26 | 2308523809 |
27 | 5953138875 |
28 | 15378562415 |
29 | 39791453685 |
30 | 103115768885 |
31 | 267597960095 |
[1,1,3,7,13,29,71,163,377,913,2219,5375,13189, 32677,81167,202523,508273,1280537,3236275,8207543, 20880893,53263405,136205527,349137811,896881641, 2308523809,5953138875,15378562415,39791453685, 103115768885,267597960095] |