n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 3 |
5 | 15 |
6 | 15 |
7 | 35 |
8 | 35 |
9 | 315 |
10 | 315 |
11 | 693 |
12 | 693 |
13 | 3003 |
14 | 3003 |
15 | 6435 |
16 | 6435 |
17 | 109395 |
18 | 109395 |
19 | 230945 |
20 | 230945 |
21 | 969969 |
22 | 969969 |
23 | 2028117 |
24 | 2028117 |
25 | 16900975 |
26 | 16900975 |
27 | 35102025 |
28 | 35102025 |
29 | 145422675 |
30 | 145422675 |
31 | 300540195 |
32 | 300540195 |
33 | 9917826435 |
[1,1,3,3,15,15,35,35,315,315,693,693,3003,3003, 6435,6435,109395,109395,230945,230945,969969, 969969,2028117,2028117,16900975,16900975,35102025, 35102025,145422675,145422675,300540195,300540195, 9917826435] |