n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 3 |
8 | 17 |
9 | 41 |
10 | 79 |
11 | 223 |
12 | 801 |
13 | 2615 |
14 | 9741 |
15 | 48585 |
16 | 263431 |
17 | 1569087 |
18 | 9472069 |
19 | 65995437 |
20 | 509339343 |
21 | 4406836165 |
[1,1,1,1,1,1,3,17,41,79,223,801,2615,9741,48585, 263431,1569087,9472069,65995437,509339343, 4406836165] |