A090332 - cp's OEIS frontend

A090332 Numbers with no divisors >1 that are prefixes of other divisors in binary representation.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	17
10	19
11	23
12	25
13	29
14	31
15	33
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	65
26	67
27	69
28	71
29	73
30	77
31	79
32	83
33	89
34	91
35	97
36	101
37	103
38	107
39	109
40	113
41	121
42	125
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	143
51	145
52	149
53	151
54	155
55	157
56	161
57	163
58	167
59	169
60	173
61	179
62	181

[1, 2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 25, 29, 31, 33, 35, 37, 41, 43, 47, 49, 53, 59, 61, 65, 67, 69, 71, 73, 77, 79, 83, 89, 91, 97, 101, 103, 107, 109, 113, 121, 125, 127, 129, 131, 133, 137, 139, 141, 143, 145, 149, 151, 155, 157, 161, 163, 167, 169, 173, 179, 181]

cp's OEIS Frontend

A090332 Numbers with no divisors >1 that are prefixes of other divisors in binary representation.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	17
10	19
11	23
12	25
13	29
14	31
15	33
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	65
26	67
27	69
28	71
29	73
30	77
31	79
32	83
33	89
34	91
35	97
36	101
37	103
38	107
39	109
40	113
41	121
42	125
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	143
51	145
52	149
53	151
54	155
55	157
56	161
57	163
58	167
59	169
60	173
61	179
62	181

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	17
10	19
11	23
12	25
13	29
14	31
15	33
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	65
26	67
27	69
28	71
29	73
30	77
31	79
32	83
33	89
34	91
35	97
36	101
37	103
38	107
39	109
40	113
41	121
42	125
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	143
51	145
52	149
53	151
54	155
55	157
56	161
57	163
58	167
59	169
60	173
61	179
62	181

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	17
10	19
11	23
12	25
13	29
14	31
15	33
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	65
26	67
27	69
28	71
29	73
30	77
31	79
32	83
33	89
34	91
35	97
36	101
37	103
38	107
39	109
40	113
41	121
42	125
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	143
51	145
52	149
53	151
54	155
55	157
56	161
57	163
58	167
59	169
60	173
61	179
62	181