n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 2 |
6 | 3 |
7 | 9 |
8 | 9 |
9 | 3 |
10 | 5 |
11 | 20 |
12 | 30 |
13 | 20 |
14 | 5 |
15 | 8 |
16 | 40 |
17 | 80 |
18 | 80 |
19 | 40 |
20 | 8 |
21 | 13 |
22 | 78 |
23 | 195 |
24 | 260 |
25 | 195 |
26 | 78 |
27 | 13 |
28 | 21 |
29 | 147 |
30 | 441 |
31 | 735 |
32 | 735 |
33 | 441 |
34 | 147 |
35 | 21 |
36 | 34 |
37 | 272 |
38 | 952 |
39 | 1904 |
40 | 2380 |
41 | 1904 |
42 | 952 |
43 | 272 |
44 | 34 |
45 | 55 |
46 | 495 |
47 | 1980 |
48 | 4620 |
49 | 6930 |
50 | 6930 |
51 | 4620 |
52 | 1980 |
53 | 495 |
54 | 55 |
[1,1,1,2,4,2,3,9,9,3,5,20,30,20,5,8,40,80,80,40,8, 13,78,195,260,195,78,13,21,147,441,735,735,441, 147,21,34,272,952,1904,2380,1904,952,272,34,55, 495,1980,4620,6930,6930,4620,1980,495,55] |