n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 2 |
9 | 3 |
10 | 8 |
11 | 13 |
12 | 22 |
13 | 45 |
14 | 113 |
15 | 275 |
16 | 994 |
17 | 2604 |
18 | 9935 |
19 | 31457 |
20 | 134870 |
21 | 529162 |
22 | 2763867 |
23 | 12621629 |
24 | 78239209 |
25 | 410491794 |
26 | 3050461822 |
[1,1,1,1,1,1,1,2,3,8,13,22,45,113,275,994,2604, 9935,31457,134870,529162,2763867,12621629, 78239209,410491794,3050461822] |