A081118 - OEIS

A081118 as a simple table

n	a(n)
1	1
2	3
3	5
4	7
5	11
6	13
7	15
8	23
9	27
10	29
11	31
12	47
13	55
14	59
15	61
16	63
17	95
18	111
19	119
20	123
21	125
22	127
23	191
24	223
25	239
26	247
27	251
28	253
29	255
30	383
31	447
32	479
33	495
34	503
35	507
36	509
37	511
38	767
39	895
40	959
41	991
42	1007
43	1015
44	1019
45	1021
46	1023
47	1535
48	1791
49	1919
50	1983
51	2015
52	2031
53	2039
54	2043

[1,3,5,7,11,13,15,23,27,29,31,47,55,59,61,63,95, 111,119,123,125,127,191,223,239,247,251,253,255, 383,447,479,495,503,507,509,511,767,895,959,991, 1007,1015,1019,1021,1023,1535,1791,1919,1983,2015, 2031,2039,2043]