A090553 - OEIS

A090553 as a simple table

n	a(n)
1	1
2	3
3	6
4	12
5	12
6	24
7	24
8	24
9	72
10	72
11	72
12	72
13	144
14	144
15	144
16	144
17	144
18	288
19	288
20	288
21	576
22	576
23	576
24	576
25	576
26	576
27	576
28	576
29	1152
30	1152
31	1152
32	1152
33	1152
34	1152
35	1152
36	2304
37	2304
38	2304
39	2304
40	2304
41	2304
42	2304
43	2304
44	2304
45	2304
46	2304
47	2304
48	2304
49	4608
50	4608

[1,3,6,12,12,24,24,24,72,72,72,72,144,144,144,144, 144,288,288,288,576,576,576,576,576,576,576,576, 1152,1152,1152,1152,1152,1152,1152,2304,2304,2304, 2304,2304,2304,2304,2304,2304,2304,2304,2304,2304, 4608,4608]