A032703 - cp's OEIS frontend

A032703 Numbers k such that k prefixed by '3' and followed by '1' is prime.

n	a(n)
1	1
2	3
3	12
4	18
5	19
6	22
7	25
8	27
9	30
10	33
11	36
12	37
13	39
14	46
15	49
16	51
17	54
18	57
19	58
20	63
21	67
22	69
23	70
24	76
25	82
26	85
27	88
28	91
29	93
30	105
31	108
32	109
33	112
34	115
35	118
36	123
37	127
38	132
39	139
40	148
41	151
42	153
43	154
44	160
45	172
46	174
47	175
48	177
49	189
50	198
51	199
52	205
53	214
54	219
55	225
56	226
57	232
58	234

[1, 3, 12, 18, 19, 22, 25, 27, 30, 33, 36, 37, 39, 46, 49, 51, 54, 57, 58, 63, 67, 69, 70, 76, 82, 85, 88, 91, 93, 105, 108, 109, 112, 115, 118, 123, 127, 132, 139, 148, 151, 153, 154, 160, 172, 174, 175, 177, 189, 198, 199, 205, 214, 219, 225, 226, 232, 234]

cp's OEIS Frontend

A032703 Numbers k such that k prefixed by '3' and followed by '1' is prime.

Table of values

List of values

n	a(n)
1	1
2	3
3	12
4	18
5	19
6	22
7	25
8	27
9	30
10	33
11	36
12	37
13	39
14	46
15	49
16	51
17	54
18	57
19	58
20	63
21	67
22	69
23	70
24	76
25	82
26	85
27	88
28	91
29	93
30	105
31	108
32	109
33	112
34	115
35	118
36	123
37	127
38	132
39	139
40	148
41	151
42	153
43	154
44	160
45	172
46	174
47	175
48	177
49	189
50	198
51	199
52	205
53	214
54	219
55	225
56	226
57	232
58	234

n	a(n)
1	1
2	3
3	12
4	18
5	19
6	22
7	25
8	27
9	30
10	33
11	36
12	37
13	39
14	46
15	49
16	51
17	54
18	57
19	58
20	63
21	67
22	69
23	70
24	76
25	82
26	85
27	88
28	91
29	93
30	105
31	108
32	109
33	112
34	115
35	118
36	123
37	127
38	132
39	139
40	148
41	151
42	153
43	154
44	160
45	172
46	174
47	175
48	177
49	189
50	198
51	199
52	205
53	214
54	219
55	225
56	226
57	232
58	234

n	a(n)
1	1
2	3
3	12
4	18
5	19
6	22
7	25
8	27
9	30
10	33
11	36
12	37
13	39
14	46
15	49
16	51
17	54
18	57
19	58
20	63
21	67
22	69
23	70
24	76
25	82
26	85
27	88
28	91
29	93
30	105
31	108
32	109
33	112
34	115
35	118
36	123
37	127
38	132
39	139
40	148
41	151
42	153
43	154
44	160
45	172
46	174
47	175
48	177
49	189
50	198
51	199
52	205
53	214
54	219
55	225
56	226
57	232
58	234