A080148 - cp's OEIS frontend

A080148 Positions of primes of the form 4*k+3 (A002145) among all primes (A000040).

n	a(n)
1	2
2	4
3	5
4	8
5	9
6	11
7	14
8	15
9	17
10	19
11	20
12	22
13	23
14	27
15	28
16	31
17	32
18	34
19	36
20	38
21	39
22	41
23	43
24	46
25	47
26	48
27	49
28	52
29	54
30	56
31	58
32	61
33	63
34	64
35	67
36	69
37	72
38	73
39	75
40	76
41	81
42	83
43	85
44	86
45	90
46	91
47	92
48	93
49	94
50	95
51	96
52	99
53	101
54	103
55	105
56	107
57	109
58	111
59	114
60	115
61	117
62	118
63	120
64	124
65	125
66	128

[2, 4, 5, 8, 9, 11, 14, 15, 17, 19, 20, 22, 23, 27, 28, 31, 32, 34, 36, 38, 39, 41, 43, 46, 47, 48, 49, 52, 54, 56, 58, 61, 63, 64, 67, 69, 72, 73, 75, 76, 81, 83, 85, 86, 90, 91, 92, 93, 94, 95, 96, 99, 101, 103, 105, 107, 109, 111, 114, 115, 117, 118, 120, 124, 125, 128]

cp's OEIS Frontend

A080148 Positions of primes of the form 4*k+3 (A002145) among all primes (A000040).

Table of values

List of values

n	a(n)
1	2
2	4
3	5
4	8
5	9
6	11
7	14
8	15
9	17
10	19
11	20
12	22
13	23
14	27
15	28
16	31
17	32
18	34
19	36
20	38
21	39
22	41
23	43
24	46
25	47
26	48
27	49
28	52
29	54
30	56
31	58
32	61
33	63
34	64
35	67
36	69
37	72
38	73
39	75
40	76
41	81
42	83
43	85
44	86
45	90
46	91
47	92
48	93
49	94
50	95
51	96
52	99
53	101
54	103
55	105
56	107
57	109
58	111
59	114
60	115
61	117
62	118
63	120
64	124
65	125
66	128

n	a(n)
1	2
2	4
3	5
4	8
5	9
6	11
7	14
8	15
9	17
10	19
11	20
12	22
13	23
14	27
15	28
16	31
17	32
18	34
19	36
20	38
21	39
22	41
23	43
24	46
25	47
26	48
27	49
28	52
29	54
30	56
31	58
32	61
33	63
34	64
35	67
36	69
37	72
38	73
39	75
40	76
41	81
42	83
43	85
44	86
45	90
46	91
47	92
48	93
49	94
50	95
51	96
52	99
53	101
54	103
55	105
56	107
57	109
58	111
59	114
60	115
61	117
62	118
63	120
64	124
65	125
66	128

n	a(n)
1	2
2	4
3	5
4	8
5	9
6	11
7	14
8	15
9	17
10	19
11	20
12	22
13	23
14	27
15	28
16	31
17	32
18	34
19	36
20	38
21	39
22	41
23	43
24	46
25	47
26	48
27	49
28	52
29	54
30	56
31	58
32	61
33	63
34	64
35	67
36	69
37	72
38	73
39	75
40	76
41	81
42	83
43	85
44	86
45	90
46	91
47	92
48	93
49	94
50	95
51	96
52	99
53	101
54	103
55	105
56	107
57	109
58	111
59	114
60	115
61	117
62	118
63	120
64	124
65	125
66	128