n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 17 |
8 | 31 |
9 | 559 |
10 | 1013 |
11 | 8291 |
12 | 23145 |
13 | 356907 |
14 | 1013595 |
15 | 108749189 |
16 | 407493401 |
17 | 61299279691 |
18 | 281660353619 |
19 | 43848445982931 |
20 | 246087198399431 |
21 | 73605493456575165 |
22 | 501006153269757647 |
[1,1,1,1,1,1,17,31,559,1013,8291,23145,356907, 1013595,108749189,407493401,61299279691, 281660353619,43848445982931,246087198399431, 73605493456575165,501006153269757647] |