n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 3 |
8 | 7 |
9 | 15 |
10 | 27 |
11 | 47 |
12 | 131 |
13 | 579 |
14 | 2405 |
15 | 9787 |
16 | 35829 |
17 | 162637 |
18 | 924049 |
19 | 6701259 |
20 | 48977223 |
21 | 381859081 |
22 | 3048055139 |
23 | 30000129347 |
[1,1,1,1,1,1,3,7,15,27,47,131,579,2405,9787,35829, 162637,924049,6701259,48977223,381859081, 3048055139,30000129347] |