n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 21 |
3 | 81 |
4 | 297 |
5 | 1201 |
6 | 5037 |
7 | 20365 |
8 | 81741 |
9 | 327373 |
10 | 1310157 |
11 | 5241805 |
12 | 20969421 |
13 | 83881933 |
14 | 335536077 |
15 | 1342160845 |
[1,5,21,81,297,1201,5037,20365,81741,327373, 1310157,5241805,20969421,83881933,335536077, 1342160845] |