n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 13 |
8 | 33 |
9 | 61 |
10 | 183 |
11 | 597 |
12 | 2481 |
13 | 11129 |
14 | 55369 |
15 | 260691 |
16 | 1725489 |
17 | 11211005 |
18 | 97261999 |
19 | 792491905 |
20 | 8327148961 |
21 | 84267555083 |
22 | 1143224998469 |
[1,1,1,1,1,3,13,33,61,183,597,2481,11129,55369, 260691,1725489,11211005,97261999,792491905, 8327148961,84267555083,1143224998469] |