A032704 - cp's OEIS frontend

A032704 Numbers k such that k prefixed by '4' and followed by '1' is prime.

n	a(n)
1	0
2	2
3	3
4	6
5	9
6	11
7	20
8	21
9	23
10	24
11	26
12	27
13	39
14	42
15	44
16	45
17	48
18	56
19	59
20	62
21	65
22	69
23	72
24	75
25	80
26	83
27	86
28	87
29	93
30	95
31	101
32	105
33	108
34	113
35	114
36	116
37	120
38	122
39	123
40	128
41	134
42	135
43	138
44	141
45	149
46	152
47	161
48	162
49	164
50	165
51	168
52	176
53	177
54	180
55	185
56	191
57	194
58	198
59	206

[0, 2, 3, 6, 9, 11, 20, 21, 23, 24, 26, 27, 39, 42, 44, 45, 48, 56, 59, 62, 65, 69, 72, 75, 80, 83, 86, 87, 93, 95, 101, 105, 108, 113, 114, 116, 120, 122, 123, 128, 134, 135, 138, 141, 149, 152, 161, 162, 164, 165, 168, 176, 177, 180, 185, 191, 194, 198, 206]

cp's OEIS Frontend

A032704 Numbers k such that k prefixed by '4' and followed by '1' is prime.

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	6
5	9
6	11
7	20
8	21
9	23
10	24
11	26
12	27
13	39
14	42
15	44
16	45
17	48
18	56
19	59
20	62
21	65
22	69
23	72
24	75
25	80
26	83
27	86
28	87
29	93
30	95
31	101
32	105
33	108
34	113
35	114
36	116
37	120
38	122
39	123
40	128
41	134
42	135
43	138
44	141
45	149
46	152
47	161
48	162
49	164
50	165
51	168
52	176
53	177
54	180
55	185
56	191
57	194
58	198
59	206

n	a(n)
1	0
2	2
3	3
4	6
5	9
6	11
7	20
8	21
9	23
10	24
11	26
12	27
13	39
14	42
15	44
16	45
17	48
18	56
19	59
20	62
21	65
22	69
23	72
24	75
25	80
26	83
27	86
28	87
29	93
30	95
31	101
32	105
33	108
34	113
35	114
36	116
37	120
38	122
39	123
40	128
41	134
42	135
43	138
44	141
45	149
46	152
47	161
48	162
49	164
50	165
51	168
52	176
53	177
54	180
55	185
56	191
57	194
58	198
59	206

n	a(n)
1	0
2	2
3	3
4	6
5	9
6	11
7	20
8	21
9	23
10	24
11	26
12	27
13	39
14	42
15	44
16	45
17	48
18	56
19	59
20	62
21	65
22	69
23	72
24	75
25	80
26	83
27	86
28	87
29	93
30	95
31	101
32	105
33	108
34	113
35	114
36	116
37	120
38	122
39	123
40	128
41	134
42	135
43	138
44	141
45	149
46	152
47	161
48	162
49	164
50	165
51	168
52	176
53	177
54	180
55	185
56	191
57	194
58	198
59	206