A286542-OEIS公司

A286542型作为一个简单的表

n个	a（n）
0	1
1	2
2	2
三	4
4	6
5	4
6	2
7	8
8	6
9	12
10	6
11	8
12	6
13	4
14	2
15	16
16	210
17	12
18	6
19	12
20	30
21	12
22	210
23	16
24	6
25	12
26	30
27	8
28	30
29	4
30	2
31	32
32	210
33	420
34	210
35	12
36	30
37	12
38	6
39	24
40	210
41	60
42	30
43	24
44	30030
45	420
46	30
47	32
48	30
49	12
50	6
51	24
52	210
53	60
54	30030
55	16
56	210
57	60
58	30
59	8
60	30
61	4
62	2
63	64
64	510510
65	420
66	210
67	420
68	30030
69	420
70	210
71	24
72	210
73	60
74	30030
75	12
76	6
77	12
78	6
79	36
80	2310
81	420

[1,2,2,4,6,4,2,8,6,12,6,8,6,4,2,16,210,12,6,12,30,12,210,16,6,12,30,8,30,4,2,32,210,420,210,12,30,12,6,24,210,60,30,24,30030,420,30,32,30,12,6,24,210,60,30030,16,210,60,30,8,30,4,2,64,510510,420,210,420,30030,420,210,24,210,60,30030,12,6,12,6,36,2310,420]