A032725 - cp's OEIS frontend

A032725 Numbers k such that k prefixed by '9' and followed by '7' is prime.

n	a(n)
1	0
2	3
3	4
4	6
5	7
6	9
7	12
8	13
9	15
10	18
11	22
12	25
13	27
14	33
15	37
16	39
17	43
18	46
19	49
20	54
21	58
22	67
23	69
24	76
25	78
26	81
27	85
28	88
29	90
30	96
31	109
32	112
33	123
34	129
35	136
36	138
37	139
38	145
39	157
40	175
41	180
42	183
43	186
44	195
45	196
46	199
47	207
48	210
49	217
50	222
51	223
52	229
53	231
54	234
55	235
56	237
57	238
58	246
59	250
60	255

[0, 3, 4, 6, 7, 9, 12, 13, 15, 18, 22, 25, 27, 33, 37, 39, 43, 46, 49, 54, 58, 67, 69, 76, 78, 81, 85, 88, 90, 96, 109, 112, 123, 129, 136, 138, 139, 145, 157, 175, 180, 183, 186, 195, 196, 199, 207, 210, 217, 222, 223, 229, 231, 234, 235, 237, 238, 246, 250, 255]

cp's OEIS Frontend

A032725 Numbers k such that k prefixed by '9' and followed by '7' is prime.

Table of values

List of values

n	a(n)
1	0
2	3
3	4
4	6
5	7
6	9
7	12
8	13
9	15
10	18
11	22
12	25
13	27
14	33
15	37
16	39
17	43
18	46
19	49
20	54
21	58
22	67
23	69
24	76
25	78
26	81
27	85
28	88
29	90
30	96
31	109
32	112
33	123
34	129
35	136
36	138
37	139
38	145
39	157
40	175
41	180
42	183
43	186
44	195
45	196
46	199
47	207
48	210
49	217
50	222
51	223
52	229
53	231
54	234
55	235
56	237
57	238
58	246
59	250
60	255

n	a(n)
1	0
2	3
3	4
4	6
5	7
6	9
7	12
8	13
9	15
10	18
11	22
12	25
13	27
14	33
15	37
16	39
17	43
18	46
19	49
20	54
21	58
22	67
23	69
24	76
25	78
26	81
27	85
28	88
29	90
30	96
31	109
32	112
33	123
34	129
35	136
36	138
37	139
38	145
39	157
40	175
41	180
42	183
43	186
44	195
45	196
46	199
47	207
48	210
49	217
50	222
51	223
52	229
53	231
54	234
55	235
56	237
57	238
58	246
59	250
60	255

n	a(n)
1	0
2	3
3	4
4	6
5	7
6	9
7	12
8	13
9	15
10	18
11	22
12	25
13	27
14	33
15	37
16	39
17	43
18	46
19	49
20	54
21	58
22	67
23	69
24	76
25	78
26	81
27	85
28	88
29	90
30	96
31	109
32	112
33	123
34	129
35	136
36	138
37	139
38	145
39	157
40	175
41	180
42	183
43	186
44	195
45	196
46	199
47	207
48	210
49	217
50	222
51	223
52	229
53	231
54	234
55	235
56	237
57	238
58	246
59	250
60	255