n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 1 |
7 | 2 |
8 | 3 |
9 | 6 |
10 | 8 |
11 | 6 |
12 | 10 |
13 | 15 |
14 | 15 |
15 | 10 |
16 | 50 |
17 | 60 |
18 | 45 |
19 | 20 |
20 | 105 |
21 | 140 |
22 | 126 |
23 | 84 |
24 | 35 |
25 | 490 |
26 | 560 |
27 | 420 |
28 | 224 |
29 | 70 |
30 | 1176 |
31 | 1470 |
32 | 1260 |
33 | 840 |
34 | 420 |
35 | 126 |
36 | 5292 |
37 | 5880 |
38 | 4410 |
39 | 2520 |
40 | 1050 |
41 | 252 |
42 | 13860 |
43 | 16632 |
44 | 13860 |
45 | 9240 |
46 | 4950 |
47 | 1980 |
48 | 462 |
49 | 60984 |
50 | 66528 |
51 | 49896 |
52 | 29568 |
53 | 13860 |
54 | 4752 |
55 | 924 |
[1,0,1,1,2,1,2,3,6,8,6,10,15,15,10,50,60,45,20, 105,140,126,84,35,490,560,420,224,70,1176,1470, 1260,840,420,126,5292,5880,4410,2520,1050,252, 13860,16632,13860,9240,4950,1980,462,60984,66528, 49896,29568,13860,4752,924] |