A080147 - cp's OEIS frontend

A080147 Positions of primes of the form 4*k+1 (A002144) among all primes (A000040).

n	a(n)
1	3
2	6
3	7
4	10
5	12
6	13
7	16
8	18
9	21
10	24
11	25
12	26
13	29
14	30
15	33
16	35
17	37
18	40
19	42
20	44
21	45
22	50
23	51
24	53
25	55
26	57
27	59
28	60
29	62
30	65
31	66
32	68
33	70
34	71
35	74
36	77
37	78
38	79
39	80
40	82
41	84
42	87
43	88
44	89
45	97
46	98
47	100
48	102
49	104
50	106
51	108
52	110
53	112
54	113
55	116
56	119
57	121
58	122
59	123
60	126
61	127
62	130
63	134
64	135

[3, 6, 7, 10, 12, 13, 16, 18, 21, 24, 25, 26, 29, 30, 33, 35, 37, 40, 42, 44, 45, 50, 51, 53, 55, 57, 59, 60, 62, 65, 66, 68, 70, 71, 74, 77, 78, 79, 80, 82, 84, 87, 88, 89, 97, 98, 100, 102, 104, 106, 108, 110, 112, 113, 116, 119, 121, 122, 123, 126, 127, 130, 134, 135]

cp's OEIS Frontend

A080147 Positions of primes of the form 4*k+1 (A002144) among all primes (A000040).

Table of values

List of values

n	a(n)
1	3
2	6
3	7
4	10
5	12
6	13
7	16
8	18
9	21
10	24
11	25
12	26
13	29
14	30
15	33
16	35
17	37
18	40
19	42
20	44
21	45
22	50
23	51
24	53
25	55
26	57
27	59
28	60
29	62
30	65
31	66
32	68
33	70
34	71
35	74
36	77
37	78
38	79
39	80
40	82
41	84
42	87
43	88
44	89
45	97
46	98
47	100
48	102
49	104
50	106
51	108
52	110
53	112
54	113
55	116
56	119
57	121
58	122
59	123
60	126
61	127
62	130
63	134
64	135

n	a(n)
1	3
2	6
3	7
4	10
5	12
6	13
7	16
8	18
9	21
10	24
11	25
12	26
13	29
14	30
15	33
16	35
17	37
18	40
19	42
20	44
21	45
22	50
23	51
24	53
25	55
26	57
27	59
28	60
29	62
30	65
31	66
32	68
33	70
34	71
35	74
36	77
37	78
38	79
39	80
40	82
41	84
42	87
43	88
44	89
45	97
46	98
47	100
48	102
49	104
50	106
51	108
52	110
53	112
54	113
55	116
56	119
57	121
58	122
59	123
60	126
61	127
62	130
63	134
64	135

n	a(n)
1	3
2	6
3	7
4	10
5	12
6	13
7	16
8	18
9	21
10	24
11	25
12	26
13	29
14	30
15	33
16	35
17	37
18	40
19	42
20	44
21	45
22	50
23	51
24	53
25	55
26	57
27	59
28	60
29	62
30	65
31	66
32	68
33	70
34	71
35	74
36	77
37	78
38	79
39	80
40	82
41	84
42	87
43	88
44	89
45	97
46	98
47	100
48	102
49	104
50	106
51	108
52	110
53	112
54	113
55	116
56	119
57	121
58	122
59	123
60	126
61	127
62	130
63	134
64	135