n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 11 |
4 | 35 |
5 | 96 |
6 | 310 |
7 | 932 |
8 | 3106 |
9 | 10719 |
10 | 40956 |
11 | 175024 |
12 | 856215 |
13 | 4745038 |
14 | 29240098 |
15 | 195682588 |
16 | 1397312405 |
17 | 10523188868 |
18 | 82994029902 |
19 | 682464226648 |
20 | 5833904550458 |
21 | 51727645023058 |
22 | 474880276916928 |
23 | 4506747119506932 |
[1,4,11,35,96,310,932,3106,10719,40956,175024, 856215,4745038,29240098,195682588,1397312405, 10523188868,82994029902,682464226648, 5833904550458,51727645023058,474880276916928, 4506747119506932] |