n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 10 |
5 | 21 |
6 | 40 |
7 | 83 |
8 | 161 |
9 | 331 |
10 | 644 |
11 | 1102 |
12 | 3627 |
13 | 5646 |
14 | 10083 |
15 | 29188 |
16 | 53681 |
17 | 84121 |
18 | 237453 |
19 | 373114 |
20 | 1400757 |
21 | 2443494 |
[1,2,5,10,21,40,83,161,331,644,1102,3627,5646, 10083,29188,53681,84121,237453,373114,1400757, 2443494] |