n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 24 |
6 | 61 |
7 | 150 |
8 | 382 |
9 | 964 |
10 | 2452 |
11 | 6307 |
12 | 16379 |
13 | 42989 |
14 | 113965 |
15 | 305035 |
16 | 823632 |
17 | 2241814 |
18 | 6145670 |
19 | 16956972 |
20 | 47059076 |
21 | 131279567 |
[1,2,4,10,24,61,150,382,964,2452,6307,16379,42989, 113965,305035,823632,2241814,6145670,16956972, 47059076,131279567] |