A032727 - cp's OEIS frontend

A032727 Numbers k such that k prefixed by '2' and followed by '9' is prime.

n	a(n)
1	2
2	3
3	6
4	12
5	17
6	23
7	26
8	30
9	33
10	38
11	39
12	45
13	53
14	54
15	57
16	60
17	65
18	68
19	69
20	71
21	72
22	74
23	78
24	81
25	87
26	90
27	93
28	96
29	99
30	101
31	105
32	108
33	113
34	114
35	116
36	117
37	126
38	131
39	137
40	141
41	149
42	152
43	155
44	156
45	158
46	159
47	164
48	173
49	179
50	183
51	185
52	192
53	203
54	207
55	210
56	212
57	215
58	218
59	222

[2, 3, 6, 12, 17, 23, 26, 30, 33, 38, 39, 45, 53, 54, 57, 60, 65, 68, 69, 71, 72, 74, 78, 81, 87, 90, 93, 96, 99, 101, 105, 108, 113, 114, 116, 117, 126, 131, 137, 141, 149, 152, 155, 156, 158, 159, 164, 173, 179, 183, 185, 192, 203, 207, 210, 212, 215, 218, 222]

cp's OEIS Frontend

A032727 Numbers k such that k prefixed by '2' and followed by '9' is prime.

Table of values

List of values

n	a(n)
1	2
2	3
3	6
4	12
5	17
6	23
7	26
8	30
9	33
10	38
11	39
12	45
13	53
14	54
15	57
16	60
17	65
18	68
19	69
20	71
21	72
22	74
23	78
24	81
25	87
26	90
27	93
28	96
29	99
30	101
31	105
32	108
33	113
34	114
35	116
36	117
37	126
38	131
39	137
40	141
41	149
42	152
43	155
44	156
45	158
46	159
47	164
48	173
49	179
50	183
51	185
52	192
53	203
54	207
55	210
56	212
57	215
58	218
59	222

n	a(n)
1	2
2	3
3	6
4	12
5	17
6	23
7	26
8	30
9	33
10	38
11	39
12	45
13	53
14	54
15	57
16	60
17	65
18	68
19	69
20	71
21	72
22	74
23	78
24	81
25	87
26	90
27	93
28	96
29	99
30	101
31	105
32	108
33	113
34	114
35	116
36	117
37	126
38	131
39	137
40	141
41	149
42	152
43	155
44	156
45	158
46	159
47	164
48	173
49	179
50	183
51	185
52	192
53	203
54	207
55	210
56	212
57	215
58	218
59	222

n	a(n)
1	2
2	3
3	6
4	12
5	17
6	23
7	26
8	30
9	33
10	38
11	39
12	45
13	53
14	54
15	57
16	60
17	65
18	68
19	69
20	71
21	72
22	74
23	78
24	81
25	87
26	90
27	93
28	96
29	99
30	101
31	105
32	108
33	113
34	114
35	116
36	117
37	126
38	131
39	137
40	141
41	149
42	152
43	155
44	156
45	158
46	159
47	164
48	173
49	179
50	183
51	185
52	192
53	203
54	207
55	210
56	212
57	215
58	218
59	222