A032683 - cp's OEIS frontend

A032683 Numbers k such that k surrounded by digit '3' is a prime.

n	a(n)
1	1
2	5
3	7
4	8
5	16
6	20
7	25
8	31
9	32
10	34
11	37
12	41
13	43
14	46
15	53
16	58
17	59
18	61
19	62
20	64
21	67
22	73
23	79
24	80
25	82
26	83
27	85
28	86
29	92
30	94
31	101
32	103
33	106
34	112
35	115
36	118
37	119
38	122
39	125
40	133
41	139
42	151
43	154
44	157
45	158
46	164
47	166
48	172
49	179
50	187
51	188
52	196
53	197
54	200
55	206
56	208
57	214
58	217

[1, 5, 7, 8, 16, 20, 25, 31, 32, 34, 37, 41, 43, 46, 53, 58, 59, 61, 62, 64, 67, 73, 79, 80, 82, 83, 85, 86, 92, 94, 101, 103, 106, 112, 115, 118, 119, 122, 125, 133, 139, 151, 154, 157, 158, 164, 166, 172, 179, 187, 188, 196, 197, 200, 206, 208, 214, 217]

cp's OEIS Frontend

A032683 Numbers k such that k surrounded by digit '3' is a prime.

Table of values

List of values

n	a(n)
1	1
2	5
3	7
4	8
5	16
6	20
7	25
8	31
9	32
10	34
11	37
12	41
13	43
14	46
15	53
16	58
17	59
18	61
19	62
20	64
21	67
22	73
23	79
24	80
25	82
26	83
27	85
28	86
29	92
30	94
31	101
32	103
33	106
34	112
35	115
36	118
37	119
38	122
39	125
40	133
41	139
42	151
43	154
44	157
45	158
46	164
47	166
48	172
49	179
50	187
51	188
52	196
53	197
54	200
55	206
56	208
57	214
58	217

n	a(n)
1	1
2	5
3	7
4	8
5	16
6	20
7	25
8	31
9	32
10	34
11	37
12	41
13	43
14	46
15	53
16	58
17	59
18	61
19	62
20	64
21	67
22	73
23	79
24	80
25	82
26	83
27	85
28	86
29	92
30	94
31	101
32	103
33	106
34	112
35	115
36	118
37	119
38	122
39	125
40	133
41	139
42	151
43	154
44	157
45	158
46	164
47	166
48	172
49	179
50	187
51	188
52	196
53	197
54	200
55	206
56	208
57	214
58	217

n	a(n)
1	1
2	5
3	7
4	8
5	16
6	20
7	25
8	31
9	32
10	34
11	37
12	41
13	43
14	46
15	53
16	58
17	59
18	61
19	62
20	64
21	67
22	73
23	79
24	80
25	82
26	83
27	85
28	86
29	92
30	94
31	101
32	103
33	106
34	112
35	115
36	118
37	119
38	122
39	125
40	133
41	139
42	151
43	154
44	157
45	158
46	164
47	166
48	172
49	179
50	187
51	188
52	196
53	197
54	200
55	206
56	208
57	214
58	217