A185722 - OEIS

A185722 as a simple table

n	a(n)
1	1
2	1
3	3
4	1
5	4
6	7
7	1
8	7
9	11
10	15
11	1
12	11
13	21
14	26
15	31
16	1
17	18
18	39
19	51
20	57
21	63
22	1
23	29
24	71
25	99
26	113
27	120
28	127
29	1
30	47
31	131
32	191
33	223
34	239
35	247
36	255
37	1
38	76
39	241
40	367
41	439
42	475
43	493
44	502
45	511
46	1
47	123
48	443
49	708
50	863
51	943
52	983
53	1003
54	1013
55	1023

[1,1,3,1,4,7,1,7,11,15,1,11,21,26,31,1,18,39,51, 57,63,1,29,71,99,113,120,127,1,47,131,191,223,239, 247,255,1,76,241,367,439,475,493,502,511,1,123, 443,708,863,943,983,1003,1013,1023]