A178858-OEIS公司

A178858号作为一个简单的表

n个	a（n）
1	1
2	2
三	三
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	14
13	15
14	16
15	18
16	20
17	21
18	24
19	28
20	30
21	35
22	36
23	40
24	42
25	45
26	48
27	56
28	60
29	63
30	70
31	72
32	80
33	84
34	90
35	105
36	112
37	120
38	126
39	140
40	144
41	168
42	180
43	210
44	240
45	252
46	280
47	315
48	336
49	360
50	420
51	504
52	560
53	630
54	720
55	840
56	1008
57	1260
58	1680
59	2520
60	5040

[1,2,3,4,5,6,7,8,9,10,12,14,15,16,18,20,21,24,28,30,35,36,40,42,45,48,56,60,63,70,72,80,84,90,105,112,120,126,140,144,168,180,210,240,252,280,315,336,360,420,504,560,630,720,840,1008,1260,1680,2520,5040]