n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 3 |
6 | 3 |
7 | 1 |
8 | 1 |
9 | 6 |
10 | 15 |
11 | 20 |
12 | 15 |
13 | 6 |
14 | 1 |
15 | 1 |
16 | 10 |
17 | 45 |
18 | 120 |
19 | 210 |
20 | 252 |
21 | 210 |
22 | 120 |
23 | 45 |
24 | 10 |
25 | 1 |
26 | 1 |
27 | 15 |
28 | 105 |
29 | 455 |
30 | 1365 |
31 | 3003 |
32 | 5005 |
33 | 6435 |
34 | 6435 |
35 | 5005 |
36 | 3003 |
37 | 1365 |
38 | 455 |
39 | 105 |
40 | 15 |
41 | 1 |
42 | 1 |
43 | 21 |
44 | 210 |
45 | 1330 |
46 | 5985 |
47 | 20349 |
48 | 54264 |
49 | 116280 |
50 | 203490 |
51 | 293930 |
52 | 352716 |
53 | 352716 |
54 | 293930 |
55 | 203490 |
56 | 116280 |
57 | 54264 |
58 | 20349 |
59 | 5985 |
60 | 1330 |
61 | 210 |
62 | 21 |
63 | 1 |
[1,1,1,1,1,3,3,1,1,6,15,20,15,6,1,1,10,45,120,210, 252,210,120,45,10,1,1,15,105,455,1365,3003,5005, 6435,6435,5005,3003,1365,455,105,15,1,1,21,210, 1330,5985,20349,54264,116280,203490,293930,352716, 352716,293930,203490,116280,54264,20349,5985,1330, 210,21,1] |