n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 1 |
4 | 5 |
5 | 6 |
6 | 3 |
7 | 1 |
8 | 14 |
9 | 28 |
10 | 28 |
11 | 20 |
12 | 10 |
13 | 4 |
14 | 1 |
15 | 42 |
16 | 120 |
17 | 180 |
18 | 195 |
19 | 165 |
20 | 117 |
21 | 70 |
22 | 35 |
23 | 15 |
24 | 5 |
25 | 1 |
26 | 132 |
27 | 495 |
28 | 990 |
29 | 1430 |
30 | 1650 |
31 | 1617 |
32 | 1386 |
33 | 1056 |
34 | 726 |
35 | 451 |
36 | 252 |
37 | 126 |
38 | 56 |
39 | 21 |
40 | 6 |
41 | 1 |
42 | 429 |
43 | 2002 |
44 | 5005 |
45 | 9009 |
46 | 13013 |
47 | 16016 |
48 | 17381 |
49 | 16991 |
50 | 15197 |
51 | 12558 |
52 | 9646 |
53 | 6916 |
54 | 4641 |
[1,1,2,1,5,6,3,1,14,28,28,20,10,4,1,42,120,180, 195,165,117,70,35,15,5,1,132,495,990,1430,1650, 1617,1386,1056,726,451,252,126,56,21,6,1,429,2002, 5005,9009,13013,16016,17381,16991,15197,12558, 9646,6916,4641] |