A336375 - cp's OEIS frontend

A336375 Numbers k such that gcd(k, prime(k) + prime(k+2)) > 1.

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	28
18	30
19	32
20	33
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	70
43	72
44	74
45	75
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	100
59	102
60	104
61	105
62	106
63	108
64	110

[2, 4, 6, 8, 9, 10, 12, 14, 16, 18, 20, 21, 22, 24, 25, 26, 28, 30, 32, 33, 34, 36, 38, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 56, 57, 58, 60, 62, 64, 66, 68, 70, 72, 74, 75, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 105, 106, 108, 110]

cp's OEIS Frontend

A336375 Numbers k such that gcd(k, prime(k) + prime(k+2)) > 1.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	28
18	30
19	32
20	33
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	70
43	72
44	74
45	75
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	100
59	102
60	104
61	105
62	106
63	108
64	110

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	28
18	30
19	32
20	33
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	70
43	72
44	74
45	75
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	100
59	102
60	104
61	105
62	106
63	108
64	110

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	28
18	30
19	32
20	33
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	70
43	72
44	74
45	75
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	100
59	102
60	104
61	105
62	106
63	108
64	110