n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 8 |
6 | 13 |
7 | 36 |
8 | 59 |
9 | 160 |
10 | 431 |
11 | 1207 |
12 | 3281 |
13 | 14493 |
14 | 40909 |
15 | 190825 |
16 | 830228 |
17 | 4020596 |
18 | 18120315 |
19 | 138139135 |
20 | 645018986 |
21 | 5068850751 |
22 | 37171002203 |
23 | 301985114648 |
24 | 2294433300268 |
25 | 29211683338424 |
26 | 229716243590382 |
[1,2,2,3,4,8,13,36,59,160,431,1207,3281,14493, 40909,190825,830228,4020596,18120315,138139135, 645018986,5068850751,37171002203,301985114648, 2294433300268,29211683338424,229716243590382] |