n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 1 |
4 | 15 |
5 | 3 |
6 | 7 |
7 | 15 |
8 | 45 |
9 | 5 |
10 | 231 |
11 | 21 |
12 | 455 |
13 | 315 |
14 | 45 |
15 | 3 |
16 | 1683 |
17 | 3465 |
18 | 7315 |
19 | 5005 |
20 | 3003 |
21 | 143 |
22 | 13455 |
23 | 585 |
24 | 6825 |
25 | 13923 |
26 | 3213 |
27 | 6545 |
28 | 515185 |
29 | 17765 |
30 | 110143 |
31 | 31977 |
32 | 2078505 |
33 | 62985 |
34 | 1789515 |
35 | 51129 |
36 | 210197 |
37 | 426075 |
38 | 246675 |
39 | 6325 |
40 | 1400355 |
41 | 34155 |
42 | 41612175 |
43 | 84192075 |
[1,1,3,1,15,3,7,15,45,5,231,21,455,315,45,3,1683, 3465,7315,5005,3003,143,13455,585,6825,13923,3213, 6545,515185,17765,110143,31977,2078505,62985, 1789515,51129,210197,426075,246675,6325,1400355, 34155,41612175,84192075] |