A354370 - cp's OEIS frontend

A354370 Successive pairs of terms (i, j) such that (i + j) is a prime number and at least i is a prime number. This is the lexicographically earliest infinite sequence of distinct terms > 1 with this property.

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	4
7	11
8	8
9	13
10	10
11	17
12	12
13	19
14	18
15	23
16	14
17	29
18	24
19	31
20	16
21	37
22	22
23	41
24	20
25	43
26	28
27	47
28	26
29	53
30	30
31	59
32	38
33	61
34	36
35	67
36	34
37	71
38	32
39	73
40	40
41	79
42	48
43	83
44	44
45	89
46	42
47	97
48	52
49	101
50	50
51	103
52	46
53	107
54	56
55	109
56	54
57	113
58	60
59	127
60	64
61	131
62	62
63	137
64	74
65	139
66	58
67	149
68	78
69	151
70	72
71	157
72	66
73	163
74	70

[2, 3, 5, 6, 7, 4, 11, 8, 13, 10, 17, 12, 19, 18, 23, 14, 29, 24, 31, 16, 37, 22, 41, 20, 43, 28, 47, 26, 53, 30, 59, 38, 61, 36, 67, 34, 71, 32, 73, 40, 79, 48, 83, 44, 89, 42, 97, 52, 101, 50, 103, 46, 107, 56, 109, 54, 113, 60, 127, 64, 131, 62, 137, 74, 139, 58, 149, 78, 151, 72, 157, 66, 163, 70]

cp's OEIS Frontend

A354370 Successive pairs of terms (i, j) such that (i + j) is a prime number and at least i is a prime number. This is the lexicographically earliest infinite sequence of distinct terms > 1 with this property.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	4
7	11
8	8
9	13
10	10
11	17
12	12
13	19
14	18
15	23
16	14
17	29
18	24
19	31
20	16
21	37
22	22
23	41
24	20
25	43
26	28
27	47
28	26
29	53
30	30
31	59
32	38
33	61
34	36
35	67
36	34
37	71
38	32
39	73
40	40
41	79
42	48
43	83
44	44
45	89
46	42
47	97
48	52
49	101
50	50
51	103
52	46
53	107
54	56
55	109
56	54
57	113
58	60
59	127
60	64
61	131
62	62
63	137
64	74
65	139
66	58
67	149
68	78
69	151
70	72
71	157
72	66
73	163
74	70

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	4
7	11
8	8
9	13
10	10
11	17
12	12
13	19
14	18
15	23
16	14
17	29
18	24
19	31
20	16
21	37
22	22
23	41
24	20
25	43
26	28
27	47
28	26
29	53
30	30
31	59
32	38
33	61
34	36
35	67
36	34
37	71
38	32
39	73
40	40
41	79
42	48
43	83
44	44
45	89
46	42
47	97
48	52
49	101
50	50
51	103
52	46
53	107
54	56
55	109
56	54
57	113
58	60
59	127
60	64
61	131
62	62
63	137
64	74
65	139
66	58
67	149
68	78
69	151
70	72
71	157
72	66
73	163
74	70

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	4
7	11
8	8
9	13
10	10
11	17
12	12
13	19
14	18
15	23
16	14
17	29
18	24
19	31
20	16
21	37
22	22
23	41
24	20
25	43
26	28
27	47
28	26
29	53
30	30
31	59
32	38
33	61
34	36
35	67
36	34
37	71
38	32
39	73
40	40
41	79
42	48
43	83
44	44
45	89
46	42
47	97
48	52
49	101
50	50
51	103
52	46
53	107
54	56
55	109
56	54
57	113
58	60
59	127
60	64
61	131
62	62
63	137
64	74
65	139
66	58
67	149
68	78
69	151
70	72
71	157
72	66
73	163
74	70