n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 1 |
7 | 3 |
8 | 6 |
9 | 10 |
10 | 1 |
11 | 4 |
12 | 10 |
13 | 20 |
14 | 35 |
15 | 1 |
16 | 5 |
17 | 15 |
18 | 35 |
19 | 70 |
20 | 126 |
21 | 1 |
22 | 6 |
23 | 21 |
24 | 56 |
25 | 126 |
26 | 252 |
27 | 462 |
28 | 1 |
29 | 7 |
30 | 28 |
31 | 84 |
32 | 210 |
33 | 462 |
34 | 924 |
35 | 1709 |
36 | 1 |
37 | 8 |
38 | 36 |
39 | 120 |
40 | 330 |
41 | 792 |
42 | 1716 |
43 | 3424 |
44 | 6371 |
45 | 1 |
46 | 9 |
47 | 45 |
48 | 165 |
49 | 495 |
50 | 1287 |
51 | 3003 |
52 | 6426 |
53 | 12789 |
54 | 23905 |
55 | 1 |
56 | 10 |
[1,1,1,1,2,3,1,3,6,10,1,4,10,20,35,1,5,15,35,70, 126,1,6,21,56,126,252,462,1,7,28,84,210,462,924, 1709,1,8,36,120,330,792,1716,3424,6371,1,9,45,165, 495,1287,3003,6426,12789,23905,1,10] |