n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 1 |
4 | 3 |
5 | 6 |
6 | 1 |
7 | 4 |
8 | 10 |
9 | 20 |
10 | 1 |
11 | 5 |
12 | 15 |
13 | 35 |
14 | 70 |
15 | 1 |
16 | 6 |
17 | 21 |
18 | 56 |
19 | 126 |
20 | 252 |
21 | 1 |
22 | 7 |
23 | 28 |
24 | 84 |
25 | 210 |
26 | 462 |
27 | 924 |
28 | 1 |
29 | 8 |
30 | 36 |
31 | 120 |
32 | 330 |
33 | 792 |
34 | 1716 |
35 | 3432 |
36 | 1 |
37 | 9 |
38 | 45 |
39 | 165 |
40 | 495 |
41 | 1287 |
42 | 3003 |
43 | 6435 |
44 | 12870 |
45 | 1 |
46 | 10 |
47 | 55 |
48 | 220 |
49 | 715 |
50 | 2002 |
51 | 5005 |
52 | 11440 |
53 | 24310 |
54 | 48620 |
55 | 1 |
56 | 11 |
57 | 66 |
58 | 286 |
59 | 1001 |
[1,1,2,1,3,6,1,4,10,20,1,5,15,35,70,1,6,21,56,126, 252,1,7,28,84,210,462,924,1,8,36,120,330,792,1716, 3432,1,9,45,165,495,1287,3003,6435,12870,1,10,55, 220,715,2002,5005,11440,24310,48620,1,11,66,286, 1001] |