n | a(n) |
---|---|
1 | 2 |
2 | 1 |
3 | 3 |
4 | 5 |
5 | 35 |
6 | 63 |
7 | 231 |
8 | 143 |
9 | 6435 |
10 | 12155 |
11 | 46189 |
12 | 88179 |
13 | 676039 |
14 | 1300075 |
15 | 5014575 |
16 | 9694845 |
17 | 100180065 |
18 | 116680311 |
19 | 2268783825 |
20 | 1472719325 |
21 | 34461632205 |
22 | 67282234305 |
23 | 17534158031 |
24 | 514589420475 |
25 | 8061900920775 |
26 | 5267108601573 |
[2,1,3,5,35,63,231,143,6435,12155,46189,88179, 676039,1300075,5014575,9694845,100180065, 116680311,2268783825,1472719325,34461632205, 67282234305,17534158031,514589420475, 8061900920775,5267108601573] |