n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 11 |
6 | 29 |
7 | 74 |
8 | 205 |
9 | 578 |
10 | 1683 |
11 | 4978 |
12 | 15000 |
13 | 45672 |
14 | 140600 |
15 | 436421 |
16 | 1364876 |
17 | 4295403 |
18 | 13594685 |
19 | 43238514 |
[1,1,2,5,11,29,74,205,578,1683,4978,15000,45672, 140600,436421,1364876,4295403,13594685,43238514] |