A093696 - cp's OEIS frontend

A093696 Numbers n such that all divisors of n have an odd number of 1's in their binary expansions.

n	a(n)
1	1
2	2
3	4
4	7
5	8
6	11
7	13
8	14
9	16
10	19
11	22
12	26
13	28
14	31
15	32
16	37
17	38
18	41
19	44
20	47
21	49
22	52
23	56
24	59
25	61
26	62
27	64
28	67
29	73
30	74
31	76
32	79
33	82
34	88
35	91
36	94
37	97
38	98
39	103
40	104
41	107
42	109
43	112
44	118
45	121
46	122
47	124
48	127
49	128
50	131
51	133
52	134
53	137
54	143
55	146
56	148
57	151
58	152
59	157
60	158
61	164
62	167
63	173

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 31, 32, 37, 38, 41, 44, 47, 49, 52, 56, 59, 61, 62, 64, 67, 73, 74, 76, 79, 82, 88, 91, 94, 97, 98, 103, 104, 107, 109, 112, 118, 121, 122, 124, 127, 128, 131, 133, 134, 137, 143, 146, 148, 151, 152, 157, 158, 164, 167, 173]

cp's OEIS Frontend

A093696 Numbers n such that all divisors of n have an odd number of 1's in their binary expansions.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	7
5	8
6	11
7	13
8	14
9	16
10	19
11	22
12	26
13	28
14	31
15	32
16	37
17	38
18	41
19	44
20	47
21	49
22	52
23	56
24	59
25	61
26	62
27	64
28	67
29	73
30	74
31	76
32	79
33	82
34	88
35	91
36	94
37	97
38	98
39	103
40	104
41	107
42	109
43	112
44	118
45	121
46	122
47	124
48	127
49	128
50	131
51	133
52	134
53	137
54	143
55	146
56	148
57	151
58	152
59	157
60	158
61	164
62	167
63	173

n	a(n)
1	1
2	2
3	4
4	7
5	8
6	11
7	13
8	14
9	16
10	19
11	22
12	26
13	28
14	31
15	32
16	37
17	38
18	41
19	44
20	47
21	49
22	52
23	56
24	59
25	61
26	62
27	64
28	67
29	73
30	74
31	76
32	79
33	82
34	88
35	91
36	94
37	97
38	98
39	103
40	104
41	107
42	109
43	112
44	118
45	121
46	122
47	124
48	127
49	128
50	131
51	133
52	134
53	137
54	143
55	146
56	148
57	151
58	152
59	157
60	158
61	164
62	167
63	173

n	a(n)
1	1
2	2
3	4
4	7
5	8
6	11
7	13
8	14
9	16
10	19
11	22
12	26
13	28
14	31
15	32
16	37
17	38
18	41
19	44
20	47
21	49
22	52
23	56
24	59
25	61
26	62
27	64
28	67
29	73
30	74
31	76
32	79
33	82
34	88
35	91
36	94
37	97
38	98
39	103
40	104
41	107
42	109
43	112
44	118
45	121
46	122
47	124
48	127
49	128
50	131
51	133
52	134
53	137
54	143
55	146
56	148
57	151
58	152
59	157
60	158
61	164
62	167
63	173