A121765 - cp's OEIS frontend

A121765 Numbers n such that 6n-1 is composite while 6n+1 is prime.

n	a(n)
1	6
2	11
3	13
4	16
5	21
6	26
7	27
8	35
9	37
10	46
11	51
12	55
13	56
14	61
15	62
16	63
17	66
18	68
19	73
20	76
21	81
22	83
23	90
24	91
25	96
26	101
27	102
28	105
29	112
30	115
31	118
32	121
33	122
34	123
35	125
36	126
37	128
38	131
39	142
40	146
41	151
42	153
43	156
44	161
45	165
46	166
47	168
48	173
49	178
50	181
51	186
52	187
53	188
54	195
55	200
56	202
57	206
58	208
59	216

[6, 11, 13, 16, 21, 26, 27, 35, 37, 46, 51, 55, 56, 61, 62, 63, 66, 68, 73, 76, 81, 83, 90, 91, 96, 101, 102, 105, 112, 115, 118, 121, 122, 123, 125, 126, 128, 131, 142, 146, 151, 153, 156, 161, 165, 166, 168, 173, 178, 181, 186, 187, 188, 195, 200, 202, 206, 208, 216]

cp's OEIS Frontend

A121765 Numbers n such that 6n-1 is composite while 6n+1 is prime.

Table of values

List of values

n	a(n)
1	6
2	11
3	13
4	16
5	21
6	26
7	27
8	35
9	37
10	46
11	51
12	55
13	56
14	61
15	62
16	63
17	66
18	68
19	73
20	76
21	81
22	83
23	90
24	91
25	96
26	101
27	102
28	105
29	112
30	115
31	118
32	121
33	122
34	123
35	125
36	126
37	128
38	131
39	142
40	146
41	151
42	153
43	156
44	161
45	165
46	166
47	168
48	173
49	178
50	181
51	186
52	187
53	188
54	195
55	200
56	202
57	206
58	208
59	216

n	a(n)
1	6
2	11
3	13
4	16
5	21
6	26
7	27
8	35
9	37
10	46
11	51
12	55
13	56
14	61
15	62
16	63
17	66
18	68
19	73
20	76
21	81
22	83
23	90
24	91
25	96
26	101
27	102
28	105
29	112
30	115
31	118
32	121
33	122
34	123
35	125
36	126
37	128
38	131
39	142
40	146
41	151
42	153
43	156
44	161
45	165
46	166
47	168
48	173
49	178
50	181
51	186
52	187
53	188
54	195
55	200
56	202
57	206
58	208
59	216

cp's OEIS Frontend

A121765 Numbers n such that 6*n-1 is composite while 6*n+1 is prime.

Table of values

List of values

A121765 Numbers n such that 6n-1 is composite while 6n+1 is prime.

n	a(n)
1	6
2	11
3	13
4	16
5	21
6	26
7	27
8	35
9	37
10	46
11	51
12	55
13	56
14	61
15	62
16	63
17	66
18	68
19	73
20	76
21	81
22	83
23	90
24	91
25	96
26	101
27	102
28	105
29	112
30	115
31	118
32	121
33	122
34	123
35	125
36	126
37	128
38	131
39	142
40	146
41	151
42	153
43	156
44	161
45	165
46	166
47	168
48	173
49	178
50	181
51	186
52	187
53	188
54	195
55	200
56	202
57	206
58	208
59	216