A072577 - cp's OEIS frontend

A072577 Numbers k such that k and the k-th prime have the same number of 0's in their binary representation.

n	a(n)
1	5
2	6
3	20
4	22
5	24
6	28
7	31
8	32
9	34
10	37
11	41
12	42
13	49
14	50
15	67
16	68
17	81
18	82
19	84
20	88
21	89
22	93
23	94
24	138
25	139
26	140
27	141
28	142
29	143
30	147
31	151
32	157
33	165
34	192
35	194
36	198
37	200
38	202
39	206
40	207
41	232
42	236
43	241
44	262
45	265
46	270
47	271
48	284
49	285
50	295
51	301
52	328
53	329
54	332
55	333
56	337

[5, 6, 20, 22, 24, 28, 31, 32, 34, 37, 41, 42, 49, 50, 67, 68, 81, 82, 84, 88, 89, 93, 94, 138, 139, 140, 141, 142, 143, 147, 151, 157, 165, 192, 194, 198, 200, 202, 206, 207, 232, 236, 241, 262, 265, 270, 271, 284, 285, 295, 301, 328, 329, 332, 333, 337]

cp's OEIS Frontend

A072577 Numbers k such that k and the k-th prime have the same number of 0's in their binary representation.

Table of values

List of values

n	a(n)
1	5
2	6
3	20
4	22
5	24
6	28
7	31
8	32
9	34
10	37
11	41
12	42
13	49
14	50
15	67
16	68
17	81
18	82
19	84
20	88
21	89
22	93
23	94
24	138
25	139
26	140
27	141
28	142
29	143
30	147
31	151
32	157
33	165
34	192
35	194
36	198
37	200
38	202
39	206
40	207
41	232
42	236
43	241
44	262
45	265
46	270
47	271
48	284
49	285
50	295
51	301
52	328
53	329
54	332
55	333
56	337

n	a(n)
1	5
2	6
3	20
4	22
5	24
6	28
7	31
8	32
9	34
10	37
11	41
12	42
13	49
14	50
15	67
16	68
17	81
18	82
19	84
20	88
21	89
22	93
23	94
24	138
25	139
26	140
27	141
28	142
29	143
30	147
31	151
32	157
33	165
34	192
35	194
36	198
37	200
38	202
39	206
40	207
41	232
42	236
43	241
44	262
45	265
46	270
47	271
48	284
49	285
50	295
51	301
52	328
53	329
54	332
55	333
56	337

n	a(n)
1	5
2	6
3	20
4	22
5	24
6	28
7	31
8	32
9	34
10	37
11	41
12	42
13	49
14	50
15	67
16	68
17	81
18	82
19	84
20	88
21	89
22	93
23	94
24	138
25	139
26	140
27	141
28	142
29	143
30	147
31	151
32	157
33	165
34	192
35	194
36	198
37	200
38	202
39	206
40	207
41	232
42	236
43	241
44	262
45	265
46	270
47	271
48	284
49	285
50	295
51	301
52	328
53	329
54	332
55	333
56	337