n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 16 |
4 | 53 |
5 | 206 |
6 | 817 |
7 | 3620 |
8 | 16361 |
9 | 80218 |
10 | 401501 |
11 | 2139512 |
12 | 11641885 |
13 | 66599846 |
14 | 388962953 |
15 | 2367284236 |
16 | 14700573137 |
17 | 94523836850 |
18 | 619674301621 |
19 | 4186249123808 |
20 | 28809504493061 |
21 | 203556335785342 |
22 | 1463877667140065 |
23 | 10777146970619636 |
24 | 80686484464418233 |
[1,2,5,16,53,206,817,3620,16361,80218,401501, 2139512,11641885,66599846,388962953,2367284236, 14700573137,94523836850,619674301621, 4186249123808,28809504493061,203556335785342, 1463877667140065,10777146970619636, 80686484464418233] |