n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 11 |
8 | 27 |
9 | 57 |
10 | 269 |
11 | 1741 |
12 | 11383 |
13 | 71261 |
14 | 614161 |
15 | 7140843 |
16 | 99666239 |
17 | 1560593149 |
18 | 29491532325 |
19 | 702793762267 |
20 | 20557975075647 |
[1,1,1,1,1,3,11,27,57,269,1741,11383,71261,614161, 7140843,99666239,1560593149,29491532325, 702793762267,20557975075647] |