n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 23 |
4 | 97 |
5 | 399 |
6 | 1617 |
7 | 6511 |
8 | 26129 |
9 | 104687 |
10 | 419089 |
11 | 1677039 |
12 | 6709521 |
13 | 26840815 |
14 | 107368721 |
15 | 429485807 |
16 | 1717965073 |
17 | 6871903983 |
18 | 27487703313 |
19 | 109950988015 |
20 | 439804301585 |
21 | 1759217905391 |
22 | 7036873019665 |
23 | 28147494874863 |
[0,1,5,23,97,399,1617,6511,26129,104687,419089, 1677039,6709521,26840815,107368721,429485807, 1717965073,6871903983,27487703313,109950988015, 439804301585,1759217905391,7036873019665, 28147494874863] |