A032728 - cp's OEIS frontend

A032728 Numbers k such that k prefixed by '3' and followed by '9' is prime.

n	a(n)
1	4
2	5
3	7
4	8
5	10
6	11
7	16
8	20
9	22
10	25
11	29
12	31
13	32
14	35
15	38
16	44
17	46
18	49
19	52
20	53
21	55
22	65
23	70
24	71
25	73
26	76
27	77
28	88
29	91
30	92
31	98
32	101
33	103
34	106
35	107
36	113
37	115
38	118
39	121
40	124
41	125
42	131
43	137
44	146
45	148
46	164
47	169
48	172
49	176
50	179
51	184
52	185
53	200
54	202
55	205
56	206
57	208
58	209
59	211

[4, 5, 7, 8, 10, 11, 16, 20, 22, 25, 29, 31, 32, 35, 38, 44, 46, 49, 52, 53, 55, 65, 70, 71, 73, 76, 77, 88, 91, 92, 98, 101, 103, 106, 107, 113, 115, 118, 121, 124, 125, 131, 137, 146, 148, 164, 169, 172, 176, 179, 184, 185, 200, 202, 205, 206, 208, 209, 211]

cp's OEIS Frontend

A032728 Numbers k such that k prefixed by '3' and followed by '9' is prime.

Table of values

List of values

n	a(n)
1	4
2	5
3	7
4	8
5	10
6	11
7	16
8	20
9	22
10	25
11	29
12	31
13	32
14	35
15	38
16	44
17	46
18	49
19	52
20	53
21	55
22	65
23	70
24	71
25	73
26	76
27	77
28	88
29	91
30	92
31	98
32	101
33	103
34	106
35	107
36	113
37	115
38	118
39	121
40	124
41	125
42	131
43	137
44	146
45	148
46	164
47	169
48	172
49	176
50	179
51	184
52	185
53	200
54	202
55	205
56	206
57	208
58	209
59	211

n	a(n)
1	4
2	5
3	7
4	8
5	10
6	11
7	16
8	20
9	22
10	25
11	29
12	31
13	32
14	35
15	38
16	44
17	46
18	49
19	52
20	53
21	55
22	65
23	70
24	71
25	73
26	76
27	77
28	88
29	91
30	92
31	98
32	101
33	103
34	106
35	107
36	113
37	115
38	118
39	121
40	124
41	125
42	131
43	137
44	146
45	148
46	164
47	169
48	172
49	176
50	179
51	184
52	185
53	200
54	202
55	205
56	206
57	208
58	209
59	211

n	a(n)
1	4
2	5
3	7
4	8
5	10
6	11
7	16
8	20
9	22
10	25
11	29
12	31
13	32
14	35
15	38
16	44
17	46
18	49
19	52
20	53
21	55
22	65
23	70
24	71
25	73
26	76
27	77
28	88
29	91
30	92
31	98
32	101
33	103
34	106
35	107
36	113
37	115
38	118
39	121
40	124
41	125
42	131
43	137
44	146
45	148
46	164
47	169
48	172
49	176
50	179
51	184
52	185
53	200
54	202
55	205
56	206
57	208
58	209
59	211