A098015 - cp's OEIS frontend

A098015 Indices x such that (1/2)(prime(x+1) - prime(x)) is prime.

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	16
10	18
11	19
12	21
13	22
14	23
15	25
16	27
17	29
18	30
19	31
20	32
21	34
22	36
23	37
24	38
25	39
26	40
27	42
28	44
29	48
30	50
31	51
32	53
33	54
34	55
35	56
36	58
37	59
38	61
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	73
48	74
49	75
50	76
51	78
52	80
53	82
54	84
55	85
56	86
57	88
58	90
59	93
60	95
61	96
62	100
63	101
64	102
65	103
66	105
67	106
68	107
69	108

[4, 6, 8, 9, 11, 12, 14, 15, 16, 18, 19, 21, 22, 23, 25, 27, 29, 30, 31, 32, 34, 36, 37, 38, 39, 40, 42, 44, 48, 50, 51, 53, 54, 55, 56, 58, 59, 61, 62, 63, 65, 66, 67, 68, 70, 71, 73, 74, 75, 76, 78, 80, 82, 84, 85, 86, 88, 90, 93, 95, 96, 100, 101, 102, 103, 105, 106, 107, 108]

cp's OEIS Frontend

A098015 Indices x such that (1/2)(prime(x+1) - prime(x)) is prime.

Table of values

List of values

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	16
10	18
11	19
12	21
13	22
14	23
15	25
16	27
17	29
18	30
19	31
20	32
21	34
22	36
23	37
24	38
25	39
26	40
27	42
28	44
29	48
30	50
31	51
32	53
33	54
34	55
35	56
36	58
37	59
38	61
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	73
48	74
49	75
50	76
51	78
52	80
53	82
54	84
55	85
56	86
57	88
58	90
59	93
60	95
61	96
62	100
63	101
64	102
65	103
66	105
67	106
68	107
69	108

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	16
10	18
11	19
12	21
13	22
14	23
15	25
16	27
17	29
18	30
19	31
20	32
21	34
22	36
23	37
24	38
25	39
26	40
27	42
28	44
29	48
30	50
31	51
32	53
33	54
34	55
35	56
36	58
37	59
38	61
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	73
48	74
49	75
50	76
51	78
52	80
53	82
54	84
55	85
56	86
57	88
58	90
59	93
60	95
61	96
62	100
63	101
64	102
65	103
66	105
67	106
68	107
69	108

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	16
10	18
11	19
12	21
13	22
14	23
15	25
16	27
17	29
18	30
19	31
20	32
21	34
22	36
23	37
24	38
25	39
26	40
27	42
28	44
29	48
30	50
31	51
32	53
33	54
34	55
35	56
36	58
37	59
38	61
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	73
48	74
49	75
50	76
51	78
52	80
53	82
54	84
55	85
56	86
57	88
58	90
59	93
60	95
61	96
62	100
63	101
64	102
65	103
66	105
67	106
68	107
69	108