n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 5 |
8 | 9 |
9 | 21 |
10 | 39 |
11 | 159 |
12 | 427 |
13 | 2501 |
14 | 9027 |
15 | 58503 |
16 | 271185 |
17 | 2371669 |
18 | 14600987 |
19 | 167228191 |
20 | 1344019107 |
21 | 19775648697 |
22 | 206847230557 |
23 | 3987249030381 |
24 | 54541478154327 |
25 | 1370106516904685 |
26 | 24431476697291095 |
[1,1,1,1,1,1,5,9,21,39,159,427,2501,9027,58503, 271185,2371669,14600987,167228191,1344019107, 19775648697,206847230557,3987249030381, 54541478154327,1370106516904685,24431476697291095] |