n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 17 |
8 | 31 |
9 | 603 |
10 | 1115 |
11 | 11773 |
12 | 31193 |
13 | 660175 |
14 | 1987061 |
15 | 224682951 |
16 | 885526067 |
17 | 157313783505 |
18 | 768394153739 |
19 | 158904168376893 |
20 | 960773446522435 |
21 | 410688920693142221 |
22 | 3062625865459683273 |
[1,1,1,1,1,1,17,31,603,1115,11773,31193,660175, 1987061,224682951,885526067,157313783505, 768394153739,158904168376893,960773446522435, 410688920693142221,3062625865459683273] |