A307561 - cp's OEIS frontend

A307561 Numbers k such that both 6k - 1 and 6k + 5 are prime.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	9
8	14
9	17
10	18
11	22
12	28
13	29
14	32
15	38
16	39
17	42
18	43
19	44
20	52
21	58
22	59
23	64
24	74
25	77
26	84
27	93
28	94
29	98
30	99
31	107
32	108
33	109
34	113
35	137
36	143
37	147
38	157
39	158
40	162
41	163
42	169
43	182
44	183
45	184
46	197
47	198
48	203
49	204
50	213
51	214
52	217
53	227
54	228
55	238
56	239
57	247
58	248
59	249
60	259
61	267
62	268
63	269
64	312
65	317
66	318
67	329
68	333
69	344

[1, 2, 3, 4, 7, 8, 9, 14, 17, 18, 22, 28, 29, 32, 38, 39, 42, 43, 44, 52, 58, 59, 64, 74, 77, 84, 93, 94, 98, 99, 107, 108, 109, 113, 137, 143, 147, 157, 158, 162, 163, 169, 182, 183, 184, 197, 198, 203, 204, 213, 214, 217, 227, 228, 238, 239, 247, 248, 249, 259, 267, 268, 269, 312, 317, 318, 329, 333, 344]

cp's OEIS Frontend

A307561 Numbers k such that both 6k - 1 and 6k + 5 are prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	9
8	14
9	17
10	18
11	22
12	28
13	29
14	32
15	38
16	39
17	42
18	43
19	44
20	52
21	58
22	59
23	64
24	74
25	77
26	84
27	93
28	94
29	98
30	99
31	107
32	108
33	109
34	113
35	137
36	143
37	147
38	157
39	158
40	162
41	163
42	169
43	182
44	183
45	184
46	197
47	198
48	203
49	204
50	213
51	214
52	217
53	227
54	228
55	238
56	239
57	247
58	248
59	249
60	259
61	267
62	268
63	269
64	312
65	317
66	318
67	329
68	333
69	344

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	9
8	14
9	17
10	18
11	22
12	28
13	29
14	32
15	38
16	39
17	42
18	43
19	44
20	52
21	58
22	59
23	64
24	74
25	77
26	84
27	93
28	94
29	98
30	99
31	107
32	108
33	109
34	113
35	137
36	143
37	147
38	157
39	158
40	162
41	163
42	169
43	182
44	183
45	184
46	197
47	198
48	203
49	204
50	213
51	214
52	217
53	227
54	228
55	238
56	239
57	247
58	248
59	249
60	259
61	267
62	268
63	269
64	312
65	317
66	318
67	329
68	333
69	344

cp's OEIS Frontend

A307561 Numbers k such that both 6*k - 1 and 6*k + 5 are prime.

Table of values

List of values

A307561 Numbers k such that both 6k - 1 and 6k + 5 are prime.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	9
8	14
9	17
10	18
11	22
12	28
13	29
14	32
15	38
16	39
17	42
18	43
19	44
20	52
21	58
22	59
23	64
24	74
25	77
26	84
27	93
28	94
29	98
30	99
31	107
32	108
33	109
34	113
35	137
36	143
37	147
38	157
39	158
40	162
41	163
42	169
43	182
44	183
45	184
46	197
47	198
48	203
49	204
50	213
51	214
52	217
53	227
54	228
55	238
56	239
57	247
58	248
59	249
60	259
61	267
62	268
63	269
64	312
65	317
66	318
67	329
68	333
69	344