n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 38 |
5 | 165 |
6 | 812 |
7 | 4478 |
8 | 27408 |
9 | 184529 |
10 | 1356256 |
11 | 10809786 |
12 | 92892928 |
13 | 856329253 |
14 | 8430600960 |
15 | 88292571934 |
16 | 980197173248 |
17 | 11499036105537 |
18 | 142147625652224 |
19 | 1846872283846922 |
20 | 25161923756064768 |
21 | 358706981125488581 |
22 | 5340498034862030848 |
[1,3,10,38,165,812,4478,27408,184529,1356256, 10809786,92892928,856329253,8430600960, 88292571934,980197173248,11499036105537, 142147625652224,1846872283846922, 25161923756064768,358706981125488581, 5340498034862030848] |