n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 15 |
5 | 15 |
6 | 21 |
7 | 15 |
8 | 39 |
9 | 91 |
10 | 555 |
11 | 285 |
12 | 915 |
13 | 3333 |
14 | 1155 |
15 | 1267 |
16 | 2769 |
17 | 4935 |
18 | 10005 |
19 | 70635 |
20 | 7035 |
21 | 240045 |
22 | 77745 |
23 | 167055 |
24 | 897429 |
25 | 1231635 |
26 | 1066065 |
27 | 1174695 |
[1,3,7,15,15,21,15,39,91,555,285,915,3333,1155, 1267,2769,4935,10005,70635,7035,240045,77745, 167055,897429,1231635,1066065,1174695] |