n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 1 |
4 | 6 |
5 | 6 |
6 | 1 |
7 | 12 |
8 | 30 |
9 | 20 |
10 | 1 |
11 | 20 |
12 | 90 |
13 | 140 |
14 | 70 |
15 | 1 |
16 | 30 |
17 | 210 |
18 | 560 |
19 | 630 |
20 | 252 |
21 | 1 |
22 | 42 |
23 | 420 |
24 | 1680 |
25 | 3150 |
26 | 2772 |
27 | 924 |
28 | 1 |
29 | 56 |
30 | 756 |
31 | 4200 |
32 | 11550 |
33 | 16632 |
34 | 12012 |
35 | 3432 |
36 | 1 |
37 | 72 |
38 | 1260 |
39 | 9240 |
40 | 34650 |
41 | 72072 |
42 | 84084 |
43 | 51480 |
44 | 12870 |
45 | 1 |
46 | 90 |
47 | 1980 |
48 | 18480 |
49 | 90090 |
50 | 252252 |
51 | 420420 |
52 | 411840 |
53 | 218790 |
54 | 48620 |
[1,1,2,1,6,6,1,12,30,20,1,20,90,140,70,1,30,210, 560,630,252,1,42,420,1680,3150,2772,924,1,56,756, 4200,11550,16632,12012,3432,1,72,1260,9240,34650, 72072,84084,51480,12870,1,90,1980,18480,90090, 252252,420420,411840,218790,48620] |