n | a(n) |
---|---|
3 | 0 |
4 | 0 |
5 | 5 |
6 | 5 |
7 | 4 |
8 | 24 |
9 | 52 |
10 | 89 |
11 | 268 |
12 | 621 |
13 | 1355 |
14 | 3601 |
15 | 8653 |
16 | 20765 |
17 | 53622 |
18 | 135530 |
19 | 342373 |
20 | 886859 |
21 | 2303117 |
22 | 5994317 |
23 | 15717622 |
24 | 41394097 |
25 | 109376377 |
26 | 289750881 |
27 | 769340425 |
28 | 2047731396 |
29 | 5459013344 |
30 | 14573334374 |
31 | 38971134055 |
[0,0,5,5,4,24,52,89,268,621,1355,3601,8653,20765, 53622,135530,342373,886859,2303117,5994317, 15717622,41394097,109376377,289750881,769340425, 2047731396,5459013344,14573334374,38971134055] |