A071186 - cp's OEIS frontend

A071186 Numbers k such that prime(2k)-2prime(k) is prime.

n	a(n)
1	3
2	4
3	5
4	6
5	10
6	11
7	13
8	15
9	18
10	19
11	20
12	26
13	29
14	33
15	34
16	37
17	42
18	43
19	44
20	49
21	50
22	60
23	61
24	62
25	64
26	65
27	66
28	72
29	77
30	79
31	84
32	89
33	91
34	92
35	96
36	97
37	98
38	99
39	101
40	103
41	105
42	109
43	112
44	118
45	120
46	126
47	127
48	128
49	129
50	130
51	133
52	135
53	140
54	144
55	146
56	152
57	153
58	155
59	163
60	166
61	172
62	173

[3, 4, 5, 6, 10, 11, 13, 15, 18, 19, 20, 26, 29, 33, 34, 37, 42, 43, 44, 49, 50, 60, 61, 62, 64, 65, 66, 72, 77, 79, 84, 89, 91, 92, 96, 97, 98, 99, 101, 103, 105, 109, 112, 118, 120, 126, 127, 128, 129, 130, 133, 135, 140, 144, 146, 152, 153, 155, 163, 166, 172, 173]

cp's OEIS Frontend

A071186 Numbers k such that prime(2k)-2prime(k) is prime.

Table of values

List of values

n	a(n)
1	3
2	4
3	5
4	6
5	10
6	11
7	13
8	15
9	18
10	19
11	20
12	26
13	29
14	33
15	34
16	37
17	42
18	43
19	44
20	49
21	50
22	60
23	61
24	62
25	64
26	65
27	66
28	72
29	77
30	79
31	84
32	89
33	91
34	92
35	96
36	97
37	98
38	99
39	101
40	103
41	105
42	109
43	112
44	118
45	120
46	126
47	127
48	128
49	129
50	130
51	133
52	135
53	140
54	144
55	146
56	152
57	153
58	155
59	163
60	166
61	172
62	173

n	a(n)
1	3
2	4
3	5
4	6
5	10
6	11
7	13
8	15
9	18
10	19
11	20
12	26
13	29
14	33
15	34
16	37
17	42
18	43
19	44
20	49
21	50
22	60
23	61
24	62
25	64
26	65
27	66
28	72
29	77
30	79
31	84
32	89
33	91
34	92
35	96
36	97
37	98
38	99
39	101
40	103
41	105
42	109
43	112
44	118
45	120
46	126
47	127
48	128
49	129
50	130
51	133
52	135
53	140
54	144
55	146
56	152
57	153
58	155
59	163
60	166
61	172
62	173

cp's OEIS Frontend

A071186 Numbers k such that prime(2*k)-2*prime(k) is prime.

Table of values

List of values

A071186 Numbers k such that prime(2k)-2prime(k) is prime.

n	a(n)
1	3
2	4
3	5
4	6
5	10
6	11
7	13
8	15
9	18
10	19
11	20
12	26
13	29
14	33
15	34
16	37
17	42
18	43
19	44
20	49
21	50
22	60
23	61
24	62
25	64
26	65
27	66
28	72
29	77
30	79
31	84
32	89
33	91
34	92
35	96
36	97
37	98
38	99
39	101
40	103
41	105
42	109
43	112
44	118
45	120
46	126
47	127
48	128
49	129
50	130
51	133
52	135
53	140
54	144
55	146
56	152
57	153
58	155
59	163
60	166
61	172
62	173