A018900 - OEIS

A018900 as a simple table

n	a(n)
1	3
2	5
3	6
4	9
5	10
6	12
7	17
8	18
9	20
10	24
11	33
12	34
13	36
14	40
15	48
16	65
17	66
18	68
19	72
20	80
21	96
22	129
23	130
24	132
25	136
26	144
27	160
28	192
29	257
30	258
31	260
32	264
33	272
34	288
35	320
36	384
37	513
38	514
39	516
40	520
41	528
42	544
43	576
44	640
45	768
46	1025
47	1026
48	1028
49	1032
50	1040
51	1056
52	1088
53	1152
54	1280
55	1536
56	2049
57	2050
58	2052
59	2056
60	2064
61	2080
62	2112
63	2176
64	2304
65	2560
66	3072

[3,5,6,9,10,12,17,18,20,24,33,34,36,40,48,65,66, 68,72,80,96,129,130,132,136,144,160,192,257,258, 260,264,272,288,320,384,513,514,516,520,528,544, 576,640,768,1025,1026,1028,1032,1040,1056,1088, 1152,1280,1536,2049,2050,2052,2056,2064,2080,2112, 2176,2304,2560,3072]