n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 2 |
8 | 3 |
9 | 5 |
10 | 7 |
11 | 13 |
12 | 19 |
13 | 54 |
14 | 129 |
15 | 405 |
16 | 1014 |
17 | 3416 |
18 | 8953 |
19 | 35203 |
20 | 121647 |
21 | 602370 |
22 | 2444491 |
23 | 14100721 |
24 | 64488491 |
25 | 418264276 |
26 | 2289523483 |
[1,1,1,1,1,1,2,3,5,7,13,19,54,129,405,1014,3416, 8953,35203,121647,602370,2444491,14100721, 64488491,418264276,2289523483] |