n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 1 |
3 | 6 |
4 | 3 |
5 | 1 |
6 | 20 |
7 | 10 |
8 | 4 |
9 | 1 |
10 | 70 |
11 | 35 |
12 | 15 |
13 | 5 |
14 | 1 |
15 | 252 |
16 | 126 |
17 | 56 |
18 | 21 |
19 | 6 |
20 | 1 |
21 | 924 |
22 | 462 |
23 | 210 |
24 | 84 |
25 | 28 |
26 | 7 |
27 | 1 |
28 | 3432 |
29 | 1716 |
30 | 792 |
31 | 330 |
32 | 120 |
33 | 36 |
34 | 8 |
35 | 1 |
36 | 12870 |
37 | 6435 |
38 | 3003 |
39 | 1287 |
40 | 495 |
41 | 165 |
42 | 45 |
43 | 9 |
44 | 1 |
45 | 48620 |
46 | 24310 |
47 | 11440 |
48 | 5005 |
49 | 2002 |
50 | 715 |
51 | 220 |
52 | 55 |
53 | 10 |
54 | 1 |
55 | 184756 |
56 | 92378 |
57 | 43758 |
58 | 19448 |
59 | 8008 |
60 | 3003 |
61 | 1001 |
62 | 286 |
63 | 66 |
64 | 11 |
65 | 1 |
[1,2,1,6,3,1,20,10,4,1,70,35,15,5,1,252,126,56,21, 6,1,924,462,210,84,28,7,1,3432,1716,792,330,120, 36,8,1,12870,6435,3003,1287,495,165,45,9,1,48620, 24310,11440,5005,2002,715,220,55,10,1,184756, 92378,43758,19448,8008,3003,1001,286,66,11,1] |