n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 3 |
5 | 24 |
6 | 133 |
7 | 635 |
8 | 2807 |
9 | 11864 |
10 | 48756 |
11 | 196707 |
12 | 783750 |
13 | 3095708 |
14 | 12152855 |
15 | 47500635 |
16 | 185082495 |
17 | 719559600 |
18 | 2793121080 |
19 | 10830450780 |
20 | 41965864794 |
21 | 162539516448 |
22 | 629399492330 |
23 | 2437072038302 |
24 | 9437097796918 |
[0,0,0,0,3,24,133,635,2807,11864,48756,196707, 783750,3095708,12152855,47500635,185082495, 719559600,2793121080,10830450780,41965864794, 162539516448,629399492330,2437072038302, 9437097796918] |