n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 23 |
3 | 101 |
4 | 431 |
5 | 1805 |
6 | 7463 |
7 | 30581 |
8 | 124511 |
9 | 504605 |
10 | 2038103 |
11 | 8211461 |
12 | 33022991 |
13 | 132623405 |
14 | 532087943 |
15 | 2133134741 |
16 | 8546887871 |
17 | 34230598205 |
18 | 137051532983 |
19 | 548593552421 |
20 | 2195536471151 |
21 | 8785632669005 |
22 | 35152991029223 |
[1,5,23,101,431,1805,7463,30581,124511,504605, 2038103,8211461,33022991,132623405,532087943, 2133134741,8546887871,34230598205,137051532983, 548593552421,2195536471151,8785632669005, 35152991029223] |