A121763 - cp's OEIS frontend

A121763 Numbers n such that 6n-1 is prime while 6n+1 is composite.

n	a(n)
1	4
2	8
3	9
4	14
5	15
6	19
7	22
8	28
9	29
10	39
11	42
12	43
13	44
14	49
15	53
16	59
17	60
18	64
19	65
20	67
21	74
22	75
23	78
24	80
25	82
26	84
27	85
28	93
29	94
30	98
31	99
32	108
33	109
34	113
35	114
36	117
37	120
38	124
39	127
40	129
41	133
42	140
43	144
44	148
45	152
46	155
47	157
48	158
49	159
50	162
51	163
52	164
53	169
54	183
55	184
56	185
57	194
58	197
59	198
60	199

[4, 8, 9, 14, 15, 19, 22, 28, 29, 39, 42, 43, 44, 49, 53, 59, 60, 64, 65, 67, 74, 75, 78, 80, 82, 84, 85, 93, 94, 98, 99, 108, 109, 113, 114, 117, 120, 124, 127, 129, 133, 140, 144, 148, 152, 155, 157, 158, 159, 162, 163, 164, 169, 183, 184, 185, 194, 197, 198, 199]

cp's OEIS Frontend

A121763 Numbers n such that 6n-1 is prime while 6n+1 is composite.

Table of values

List of values

n	a(n)
1	4
2	8
3	9
4	14
5	15
6	19
7	22
8	28
9	29
10	39
11	42
12	43
13	44
14	49
15	53
16	59
17	60
18	64
19	65
20	67
21	74
22	75
23	78
24	80
25	82
26	84
27	85
28	93
29	94
30	98
31	99
32	108
33	109
34	113
35	114
36	117
37	120
38	124
39	127
40	129
41	133
42	140
43	144
44	148
45	152
46	155
47	157
48	158
49	159
50	162
51	163
52	164
53	169
54	183
55	184
56	185
57	194
58	197
59	198
60	199

n	a(n)
1	4
2	8
3	9
4	14
5	15
6	19
7	22
8	28
9	29
10	39
11	42
12	43
13	44
14	49
15	53
16	59
17	60
18	64
19	65
20	67
21	74
22	75
23	78
24	80
25	82
26	84
27	85
28	93
29	94
30	98
31	99
32	108
33	109
34	113
35	114
36	117
37	120
38	124
39	127
40	129
41	133
42	140
43	144
44	148
45	152
46	155
47	157
48	158
49	159
50	162
51	163
52	164
53	169
54	183
55	184
56	185
57	194
58	197
59	198
60	199

cp's OEIS Frontend

A121763 Numbers n such that 6*n-1 is prime while 6*n+1 is composite.

Table of values

List of values

A121763 Numbers n such that 6n-1 is prime while 6n+1 is composite.

n	a(n)
1	4
2	8
3	9
4	14
5	15
6	19
7	22
8	28
9	29
10	39
11	42
12	43
13	44
14	49
15	53
16	59
17	60
18	64
19	65
20	67
21	74
22	75
23	78
24	80
25	82
26	84
27	85
28	93
29	94
30	98
31	99
32	108
33	109
34	113
35	114
36	117
37	120
38	124
39	127
40	129
41	133
42	140
43	144
44	148
45	152
46	155
47	157
48	158
49	159
50	162
51	163
52	164
53	169
54	183
55	184
56	185
57	194
58	197
59	198
60	199