A032732 - cp's OEIS frontend

A032732 Numbers k such that k prefixed by '7' and followed by '9' is prime.

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	12
7	15
8	21
9	22
10	30
11	34
12	36
13	45
14	48
15	49
16	52
17	54
18	55
19	58
20	63
21	64
22	66
23	69
24	75
25	78
26	82
27	87
28	91
29	94
30	103
31	105
32	106
33	108
34	111
35	112
36	120
37	124
38	132
39	133
40	135
41	138
42	139
43	141
44	142
45	147
46	154
47	156
48	169
49	171
50	178
51	180
52	184
53	187
54	189
55	190
56	199
57	201
58	208
59	210

[0, 1, 3, 6, 10, 12, 15, 21, 22, 30, 34, 36, 45, 48, 49, 52, 54, 55, 58, 63, 64, 66, 69, 75, 78, 82, 87, 91, 94, 103, 105, 106, 108, 111, 112, 120, 124, 132, 133, 135, 138, 139, 141, 142, 147, 154, 156, 169, 171, 178, 180, 184, 187, 189, 190, 199, 201, 208, 210]

cp's OEIS Frontend

A032732 Numbers k such that k prefixed by '7' and followed by '9' is prime.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	12
7	15
8	21
9	22
10	30
11	34
12	36
13	45
14	48
15	49
16	52
17	54
18	55
19	58
20	63
21	64
22	66
23	69
24	75
25	78
26	82
27	87
28	91
29	94
30	103
31	105
32	106
33	108
34	111
35	112
36	120
37	124
38	132
39	133
40	135
41	138
42	139
43	141
44	142
45	147
46	154
47	156
48	169
49	171
50	178
51	180
52	184
53	187
54	189
55	190
56	199
57	201
58	208
59	210

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	12
7	15
8	21
9	22
10	30
11	34
12	36
13	45
14	48
15	49
16	52
17	54
18	55
19	58
20	63
21	64
22	66
23	69
24	75
25	78
26	82
27	87
28	91
29	94
30	103
31	105
32	106
33	108
34	111
35	112
36	120
37	124
38	132
39	133
40	135
41	138
42	139
43	141
44	142
45	147
46	154
47	156
48	169
49	171
50	178
51	180
52	184
53	187
54	189
55	190
56	199
57	201
58	208
59	210

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	12
7	15
8	21
9	22
10	30
11	34
12	36
13	45
14	48
15	49
16	52
17	54
18	55
19	58
20	63
21	64
22	66
23	69
24	75
25	78
26	82
27	87
28	91
29	94
30	103
31	105
32	106
33	108
34	111
35	112
36	120
37	124
38	132
39	133
40	135
41	138
42	139
43	141
44	142
45	147
46	154
47	156
48	169
49	171
50	178
51	180
52	184
53	187
54	189
55	190
56	199
57	201
58	208
59	210