A372886 - cp's OEIS frontend

A372886 Indices of prime numbers whose binary indices (positions of ones in reversed binary expansion) sum to another prime number.

n	a(n)
1	1
2	2
3	5
4	9
5	10
6	13
7	14
8	18
9	20
10	22
11	24
12	26
13	27
14	30
15	32
16	33
17	35
18	36
19	38
20	42
21	43
22	45
23	47
24	52
25	57
26	58
27	60
28	62
29	63
30	67
31	70
32	71
33	74
34	76
35	79
36	84
37	88
38	94
39	96
40	97
41	99
42	100
43	101
44	108
45	116
46	124
47	126
48	127
49	132
50	133
51	135
52	137
53	144
54	150
55	154
56	156
57	160
58	161
59	162
60	164
61	172

[1, 2, 5, 9, 10, 13, 14, 18, 20, 22, 24, 26, 27, 30, 32, 33, 35, 36, 38, 42, 43, 45, 47, 52, 57, 58, 60, 62, 63, 67, 70, 71, 74, 76, 79, 84, 88, 94, 96, 97, 99, 100, 101, 108, 116, 124, 126, 127, 132, 133, 135, 137, 144, 150, 154, 156, 160, 161, 162, 164, 172]

cp's OEIS Frontend

A372886 Indices of prime numbers whose binary indices (positions of ones in reversed binary expansion) sum to another prime number.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	9
5	10
6	13
7	14
8	18
9	20
10	22
11	24
12	26
13	27
14	30
15	32
16	33
17	35
18	36
19	38
20	42
21	43
22	45
23	47
24	52
25	57
26	58
27	60
28	62
29	63
30	67
31	70
32	71
33	74
34	76
35	79
36	84
37	88
38	94
39	96
40	97
41	99
42	100
43	101
44	108
45	116
46	124
47	126
48	127
49	132
50	133
51	135
52	137
53	144
54	150
55	154
56	156
57	160
58	161
59	162
60	164
61	172

n	a(n)
1	1
2	2
3	5
4	9
5	10
6	13
7	14
8	18
9	20
10	22
11	24
12	26
13	27
14	30
15	32
16	33
17	35
18	36
19	38
20	42
21	43
22	45
23	47
24	52
25	57
26	58
27	60
28	62
29	63
30	67
31	70
32	71
33	74
34	76
35	79
36	84
37	88
38	94
39	96
40	97
41	99
42	100
43	101
44	108
45	116
46	124
47	126
48	127
49	132
50	133
51	135
52	137
53	144
54	150
55	154
56	156
57	160
58	161
59	162
60	164
61	172

n	a(n)
1	1
2	2
3	5
4	9
5	10
6	13
7	14
8	18
9	20
10	22
11	24
12	26
13	27
14	30
15	32
16	33
17	35
18	36
19	38
20	42
21	43
22	45
23	47
24	52
25	57
26	58
27	60
28	62
29	63
30	67
31	70
32	71
33	74
34	76
35	79
36	84
37	88
38	94
39	96
40	97
41	99
42	100
43	101
44	108
45	116
46	124
47	126
48	127
49	132
50	133
51	135
52	137
53	144
54	150
55	154
56	156
57	160
58	161
59	162
60	164
61	172