n | a(n) |
---|---|
3 | 0 |
4 | 0 |
5 | 6 |
6 | 3 |
7 | 4 |
8 | 37 |
9 | 53 |
10 | 89 |
11 | 304 |
12 | 631 |
13 | 1301 |
14 | 3416 |
15 | 8214 |
16 | 19870 |
17 | 50583 |
18 | 127920 |
19 | 329503 |
20 | 856622 |
21 | 2228703 |
22 | 5872003 |
23 | 15520033 |
24 | 41008858 |
25 | 108905708 |
26 | 289710574 |
27 | 770589748 |
28 | 2053491724 |
29 | 5479166031 |
30 | 14627452543 |
31 | 39094798423 |
[0,0,6,3,4,37,53,89,304,631,1301,3416,8214,19870, 50583,127920,329503,856622,2228703,5872003, 15520033,41008858,108905708,289710574,770589748, 2053491724,5479166031,14627452543,39094798423] |