A070021 - OEIS

A070021 as a simple table

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	24
8	30
9	36
10	45
11	48
12	60
13	72
14	75
15	90
16	96
17	120
18	144
19	150
20	180
21	192
22	225
23	240
24	288
25	300
26	360
27	375
28	384
29	450
30	480
31	576
32	600
33	720
34	750
35	768
36	900
37	960
38	1125
39	1152
40	1200
41	1440
42	1500
43	1536
44	1800
45	1875
46	1920
47	2250
48	2304
49	2400
50	2880
51	3000
52	3072
53	3600

[3,6,9,12,15,18,24,30,36,45,48,60,72,75,90,96,120, 144,150,180,192,225,240,288,300,360,375,384,450, 480,576,600,720,750,768,900,960,1125,1152,1200, 1440,1500,1536,1800,1875,1920,2250,2304,2400,2880, 3000,3072,3600]