n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 1 |
9 | 1 |
10 | 1 |
11 | 1 |
12 | 2 |
13 | 3 |
14 | 4 |
15 | 5 |
16 | 6 |
17 | 7 |
18 | 8 |
19 | 9 |
20 | 10 |
21 | 9 |
22 | 8 |
23 | 7 |
24 | 6 |
25 | 5 |
26 | 4 |
27 | 3 |
28 | 2 |
29 | 1 |
30 | 1 |
31 | 3 |
32 | 6 |
33 | 10 |
34 | 15 |
35 | 21 |
36 | 28 |
37 | 36 |
38 | 45 |
39 | 55 |
40 | 63 |
41 | 69 |
42 | 73 |
43 | 75 |
44 | 75 |
45 | 73 |
46 | 69 |
47 | 63 |
48 | 55 |
49 | 45 |
50 | 36 |
51 | 28 |
52 | 21 |
53 | 15 |
54 | 10 |
55 | 6 |
56 | 3 |
57 | 1 |
58 | 1 |
59 | 4 |
60 | 10 |
61 | 20 |
62 | 35 |
63 | 56 |
64 | 84 |
65 | 120 |
66 | 165 |
67 | 220 |
68 | 282 |
69 | 348 |
70 | 415 |
71 | 480 |
[1,1,1,1,1,1,1,1,1,1,1,1,2,3,4,5,6,7,8,9,10,9,8,7, 6,5,4,3,2,1,1,3,6,10,15,21,28,36,45,55,63,69,73, 75,75,73,69,63,55,45,36,28,21,15,10,6,3,1,1,4,10, 20,35,56,84,120,165,220,282,348,415,480] |