n | a(n) |
---|---|
7 | 0 |
8 | 1 |
9 | 1 |
10 | 3 |
11 | 8 |
12 | 22 |
13 | 60 |
14 | 167 |
15 | 466 |
16 | 1307 |
17 | 3681 |
18 | 10418 |
19 | 29575 |
20 | 84219 |
21 | 240407 |
22 | 687808 |
23 | 1971588 |
24 | 5661365 |
25 | 16281441 |
26 | 46888772 |
27 | 135203432 |
28 | 390301957 |
29 | 1127881755 |
30 | 3262409450 |
31 | 9444778623 |
32 | 27364912377 |
33 | 79344893246 |
34 | 230220066260 |
35 | 668414195077 |
36 | 1941813994013 |
37 | 5644325624891 |
[0,1,1,3,8,22,60,167,466,1307,3681,10418,29575, 84219,240407,687808,1971588,5661365,16281441, 46888772,135203432,390301957,1127881755, 3262409450,9444778623,27364912377,79344893246, 230220066260,668414195077,1941813994013, 5644325624891] |