n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 5 |
9 | 31 |
10 | 53 |
11 | 91 |
12 | 191 |
13 | 751 |
14 | 2485 |
15 | 12125 |
16 | 48629 |
17 | 262319 |
18 | 1174125 |
19 | 7756611 |
20 | 44436085 |
21 | 360750867 |
22 | 2552407571 |
[1,1,1,1,1,1,1,5,31,53,91,191,751,2485,12125, 48629,262319,1174125,7756611,44436085,360750867, 2552407571] |