n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 6 |
10 | 36 |
11 | 150 |
12 | 464 |
13 | 1304 |
14 | 3349 |
15 | 8213 |
16 | 19230 |
17 | 43867 |
18 | 97644 |
19 | 213776 |
20 | 461240 |
21 | 984603 |
22 | 2082436 |
[0,0,0,0,0,0,0,0,6,36,150,464,1304,3349,8213, 19230,43867,97644,213776,461240,984603,2082436] |