A374467 - cp's OEIS frontend

A374467 Numbers that are products of an odd number of primes and the total number of 1-bits in the exponents of their prime factorization n is odd.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	30
12	31
13	37
14	41
15	42
16	43
17	47
18	53
19	59
20	61
21	66
22	67
23	70
24	71
25	72
26	73
27	78
28	79
29	83
30	89
31	97
32	101
33	102
34	103
35	105
36	107
37	108
38	109
39	110
40	113
41	114
42	127
43	128
44	130
45	131
46	137
47	138
48	139
49	149
50	151
51	154
52	157
53	163
54	165
55	167
56	170
57	173
58	174
59	179
60	180
61	181
62	182
63	186
64	190
65	191
66	192
67	193
68	195
69	197
70	199

[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 30, 31, 37, 41, 42, 43, 47, 53, 59, 61, 66, 67, 70, 71, 72, 73, 78, 79, 83, 89, 97, 101, 102, 103, 105, 107, 108, 109, 110, 113, 114, 127, 128, 130, 131, 137, 138, 139, 149, 151, 154, 157, 163, 165, 167, 170, 173, 174, 179, 180, 181, 182, 186, 190, 191, 192, 193, 195, 197, 199]

cp's OEIS Frontend

A374467 Numbers that are products of an odd number of primes and the total number of 1-bits in the exponents of their prime factorization n is odd.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	30
12	31
13	37
14	41
15	42
16	43
17	47
18	53
19	59
20	61
21	66
22	67
23	70
24	71
25	72
26	73
27	78
28	79
29	83
30	89
31	97
32	101
33	102
34	103
35	105
36	107
37	108
38	109
39	110
40	113
41	114
42	127
43	128
44	130
45	131
46	137
47	138
48	139
49	149
50	151
51	154
52	157
53	163
54	165
55	167
56	170
57	173
58	174
59	179
60	180
61	181
62	182
63	186
64	190
65	191
66	192
67	193
68	195
69	197
70	199

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	30
12	31
13	37
14	41
15	42
16	43
17	47
18	53
19	59
20	61
21	66
22	67
23	70
24	71
25	72
26	73
27	78
28	79
29	83
30	89
31	97
32	101
33	102
34	103
35	105
36	107
37	108
38	109
39	110
40	113
41	114
42	127
43	128
44	130
45	131
46	137
47	138
48	139
49	149
50	151
51	154
52	157
53	163
54	165
55	167
56	170
57	173
58	174
59	179
60	180
61	181
62	182
63	186
64	190
65	191
66	192
67	193
68	195
69	197
70	199

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	30
12	31
13	37
14	41
15	42
16	43
17	47
18	53
19	59
20	61
21	66
22	67
23	70
24	71
25	72
26	73
27	78
28	79
29	83
30	89
31	97
32	101
33	102
34	103
35	105
36	107
37	108
38	109
39	110
40	113
41	114
42	127
43	128
44	130
45	131
46	137
47	138
48	139
49	149
50	151
51	154
52	157
53	163
54	165
55	167
56	170
57	173
58	174
59	179
60	180
61	181
62	182
63	186
64	190
65	191
66	192
67	193
68	195
69	197
70	199