A020201 - OEIS

A020201 as a simple table

n	a(n)
1	4
2	6
3	8
4	9
5	12
6	18
7	24
8	36
9	45
10	65
11	72
12	111
13	117
14	185
15	205
16	259
17	276
18	333
19	369
20	481
21	533
22	561
23	585
24	703
25	1105
26	1221
27	1441
28	1517
29	1665
30	1729
31	1845
32	1891
33	1921
34	2047
35	2405
36	2465
37	2466
38	2553
39	2556
40	2665
41	2806
42	2821
43	3439
44	4005
45	4329
46	4636
47	4797
48	5257
49	5461
50	5662

[4,6,8,9,12,18,24,36,45,65,72,111,117,185,205,259, 276,333,369,481,533,561,585,703,1105,1221,1441, 1517,1665,1729,1845,1891,1921,2047,2405,2465,2466, 2553,2556,2665,2806,2821,3439,4005,4329,4636,4797, 5257,5461,5662]