n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 4 |
5 | 4 |
6 | 10 |
7 | 10 |
8 | 10 |
9 | 20 |
10 | 20 |
11 | 20 |
12 | 35 |
13 | 35 |
14 | 35 |
15 | 56 |
16 | 56 |
17 | 56 |
18 | 84 |
19 | 84 |
20 | 84 |
21 | 120 |
22 | 120 |
23 | 120 |
24 | 165 |
25 | 165 |
26 | 165 |
27 | 220 |
28 | 220 |
29 | 220 |
30 | 286 |
31 | 286 |
32 | 286 |
33 | 364 |
34 | 364 |
35 | 364 |
36 | 455 |
37 | 455 |
38 | 455 |
39 | 560 |
40 | 560 |
41 | 560 |
42 | 680 |
43 | 680 |
44 | 680 |
45 | 816 |
46 | 816 |
47 | 816 |
48 | 969 |
49 | 969 |
50 | 969 |
[1,1,1,4,4,4,10,10,10,20,20,20,35,35,35,56,56,56, 84,84,84,120,120,120,165,165,165,220,220,220,286, 286,286,364,364,364,455,455,455,560,560,560,680, 680,680,816,816,816,969,969,969] |