A391849 - OEIS

A391849 as a simple table

n	a(n)
1	1
2	3
3	5
4	15
5	17
6	21
7	31
8	33
9	45
10	47
11	61
12	63
13	65
14	85
15	95
16	125
17	127
18	129
19	165
20	173
21	175
22	181
23	189
24	191
25	195
26	245
27	253
28	255
29	257
30	273
31	341
32	351
33	381
34	383
35	387
36	501
37	509
38	511
39	513
40	529
41	545
42	645
43	661
44	677
45	685
46	687
47	693
48	701
49	703
50	725
51	757
52	765
53	767
54	771
55	981
56	1013
57	1021
58	1023
59	1025
60	1041
61	1057
62	1089
63	1285
64	1295
65	1325

[1,3,5,15,17,21,31,33,45,47,61,63,65,85,95,125, 127,129,165,173,175,181,189,191,195,245,253,255, 257,273,341,351,381,383,387,501,509,511,513,529, 545,645,661,677,685,687,693,701,703,725,757,765, 767,771,981,1013,1021,1023,1025,1041,1057,1089, 1285,1295,1325]