n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 1 |
4 | 15 |
5 | 55 |
6 | 1 |
7 | 105 |
8 | 220 |
9 | 935 |
10 | 1 |
11 | 425 |
12 | 3300 |
13 | 4675 |
14 | 21505 |
15 | 1 |
16 | 3075 |
17 | 47850 |
18 | 84150 |
19 | 129030 |
20 | 623645 |
21 | 1 |
22 | 15855 |
23 | 415800 |
24 | 2323475 |
25 | 2709630 |
26 | 4365515 |
27 | 415800 |
28 | 2323475 |
29 | 2709630 |
30 | 4365515 |
31 | 21827575 |
32 | 1 |
33 | 123515 |
34 | 6394080 |
35 | 51934575 |
[1,1,5,1,15,55,1,105,220,935,1,425,3300,4675, 21505,1,3075,47850,84150,129030,623645,1,15855, 415800,2323475,2709630,4365515,415800,2323475, 2709630,4365515,21827575,1,123515,6394080, 51934575] |