n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 3 |
4 | 6 |
5 | 15 |
6 | 6 |
7 | 10 |
8 | 45 |
9 | 45 |
10 | 10 |
11 | 15 |
12 | 105 |
13 | 190 |
14 | 105 |
15 | 15 |
16 | 21 |
17 | 210 |
18 | 595 |
19 | 595 |
20 | 210 |
21 | 21 |
22 | 28 |
23 | 378 |
24 | 1540 |
25 | 2415 |
26 | 1540 |
27 | 378 |
28 | 28 |
29 | 36 |
30 | 630 |
31 | 3486 |
32 | 7875 |
33 | 7875 |
34 | 3486 |
35 | 630 |
36 | 36 |
37 | 45 |
38 | 990 |
39 | 7140 |
40 | 21945 |
41 | 31626 |
42 | 21945 |
43 | 7140 |
44 | 990 |
45 | 45 |
46 | 55 |
47 | 1485 |
48 | 13530 |
49 | 54285 |
50 | 106491 |
51 | 106491 |
[1,3,3,6,15,6,10,45,45,10,15,105,190,105,15,21, 210,595,595,210,21,28,378,1540,2415,1540,378,28, 36,630,3486,7875,7875,3486,630,36,45,990,7140, 21945,31626,21945,7140,990,45,55,1485,13530,54285, 106491,106491] |