A027700 - cp's OEIS frontend

A027700 Numbers k such that the k-th prime has an even number of 1's in its binary expansion.

n	a(n)
1	2
2	3
3	7
4	9
5	10
6	14
7	16
8	20
9	23
10	24
11	26
12	30
13	34
14	35
15	38
16	45
17	55
18	56
19	57
20	59
21	60
22	62
23	64
24	66
25	68
26	69
27	70
28	71
29	72
30	74
31	76
32	77
33	79
34	87
35	89
36	91
37	92
38	96
39	97
40	99
41	101
42	105
43	108
44	109
45	114
46	117
47	122
48	124
49	125
50	131
51	133
52	137
53	139
54	141
55	142
56	146
57	147
58	148
59	150
60	152
61	154
62	155
63	159
64	165
65	166
66	170
67	173
68	176
69	178

[2, 3, 7, 9, 10, 14, 16, 20, 23, 24, 26, 30, 34, 35, 38, 45, 55, 56, 57, 59, 60, 62, 64, 66, 68, 69, 70, 71, 72, 74, 76, 77, 79, 87, 89, 91, 92, 96, 97, 99, 101, 105, 108, 109, 114, 117, 122, 124, 125, 131, 133, 137, 139, 141, 142, 146, 147, 148, 150, 152, 154, 155, 159, 165, 166, 170, 173, 176, 178]

cp's OEIS Frontend

A027700 Numbers k such that the k-th prime has an even number of 1's in its binary expansion.

Table of values

List of values

n	a(n)
1	2
2	3
3	7
4	9
5	10
6	14
7	16
8	20
9	23
10	24
11	26
12	30
13	34
14	35
15	38
16	45
17	55
18	56
19	57
20	59
21	60
22	62
23	64
24	66
25	68
26	69
27	70
28	71
29	72
30	74
31	76
32	77
33	79
34	87
35	89
36	91
37	92
38	96
39	97
40	99
41	101
42	105
43	108
44	109
45	114
46	117
47	122
48	124
49	125
50	131
51	133
52	137
53	139
54	141
55	142
56	146
57	147
58	148
59	150
60	152
61	154
62	155
63	159
64	165
65	166
66	170
67	173
68	176
69	178

n	a(n)
1	2
2	3
3	7
4	9
5	10
6	14
7	16
8	20
9	23
10	24
11	26
12	30
13	34
14	35
15	38
16	45
17	55
18	56
19	57
20	59
21	60
22	62
23	64
24	66
25	68
26	69
27	70
28	71
29	72
30	74
31	76
32	77
33	79
34	87
35	89
36	91
37	92
38	96
39	97
40	99
41	101
42	105
43	108
44	109
45	114
46	117
47	122
48	124
49	125
50	131
51	133
52	137
53	139
54	141
55	142
56	146
57	147
58	148
59	150
60	152
61	154
62	155
63	159
64	165
65	166
66	170
67	173
68	176
69	178

n	a(n)
1	2
2	3
3	7
4	9
5	10
6	14
7	16
8	20
9	23
10	24
11	26
12	30
13	34
14	35
15	38
16	45
17	55
18	56
19	57
20	59
21	60
22	62
23	64
24	66
25	68
26	69
27	70
28	71
29	72
30	74
31	76
32	77
33	79
34	87
35	89
36	91
37	92
38	96
39	97
40	99
41	101
42	105
43	108
44	109
45	114
46	117
47	122
48	124
49	125
50	131
51	133
52	137
53	139
54	141
55	142
56	146
57	147
58	148
59	150
60	152
61	154
62	155
63	159
64	165
65	166
66	170
67	173
68	176
69	178