n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 17 |
8 | 21 |
9 | 509 |
10 | 957 |
11 | 9009 |
12 | 23635 |
13 | 500815 |
14 | 1453635 |
15 | 110991021 |
16 | 410901579 |
17 | 51936051799 |
18 | 236370303513 |
19 | 42297696189623 |
20 | 235560923543349 |
21 | 80009496099425831 |
22 | 544930757644765859 |
[1,1,1,1,1,1,17,21,509,957,9009,23635,500815, 1453635,110991021,410901579,51936051799, 236370303513,42297696189623,235560923543349, 80009496099425831,544930757644765859] |