n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 21 |
4 | 35 |
5 | 35 |
6 | 21 |
7 | 7 |
8 | 1 |
9 | 49 |
10 | 1029 |
11 | 12005 |
12 | 84035 |
13 | 352947 |
14 | 823543 |
15 | 823543 |
16 | 17294403 |
17 | 155649627 |
18 | 778248135 |
19 | 2334744405 |
20 | 4202539929 |
21 | 4202539929 |
22 | 1801088541 |
23 | 21012699645 |
24 | 105063498225 |
25 | 291843050625 |
26 | 486405084375 |
27 | 486405084375 |
28 | 270225046875 |
29 | 64339296875 |
[1,1,7,21,35,35,21,7,1,49,1029,12005,84035,352947, 823543,823543,17294403,155649627,778248135, 2334744405,4202539929,4202539929,1801088541, 21012699645,105063498225,291843050625, 486405084375,486405084375,270225046875, 64339296875] |