n | a(n) |
---|---|
6 | 1 |
7 | 0 |
8 | 1 |
9 | 1 |
10 | 3 |
11 | 2 |
12 | 12 |
13 | 16 |
14 | 59 |
15 | 133 |
16 | 445 |
17 | 1248 |
18 | 4162 |
19 | 13014 |
20 | 43474 |
21 | 143304 |
22 | 484444 |
23 | 1639388 |
24 | 5617205 |
25 | 19332596 |
26 | 67048051 |
27 | 233691112 |
28 | 819121608 |
29 | 2884443024 |
30 | 10204104900 |
31 | 36247138920 |
32 | 129264732757 |
33 | 462661038926 |
34 | 1661637913984 |
[1,0,1,1,3,2,12,16,59,133,445,1248,4162,13014, 43474,143304,484444,1639388,5617205,19332596, 67048051,233691112,819121608,2884443024, 10204104900,36247138920,129264732757,462661038926, 1661637913984] |