A153047 - cp's OEIS frontend

A153047 Numbers n such that 2*n-15 is not a prime.

n	a(n)
1	12
2	15
3	18
4	20
5	21
6	24
7	25
8	27
9	30
10	32
11	33
12	35
13	36
14	39
15	40
16	42
17	45
18	46
19	48
20	50
21	51
22	53
23	54
24	55
25	57
26	60
27	63
28	65
29	66
30	67
31	68
32	69
33	70
34	72
35	74
36	75
37	78
38	79
39	80
40	81
41	84
42	85
43	87
44	88
45	90
46	92
47	93
48	95
49	96
50	99
51	100
52	101
53	102
54	105
55	108
56	109
57	110
58	111
59	112
60	114
61	115
62	116

[12, 15, 18, 20, 21, 24, 25, 27, 30, 32, 33, 35, 36, 39, 40, 42, 45, 46, 48, 50, 51, 53, 54, 55, 57, 60, 63, 65, 66, 67, 68, 69, 70, 72, 74, 75, 78, 79, 80, 81, 84, 85, 87, 88, 90, 92, 93, 95, 96, 99, 100, 101, 102, 105, 108, 109, 110, 111, 112, 114, 115, 116]

cp's OEIS Frontend

A153047 Numbers n such that 2*n-15 is not a prime.

Table of values

List of values

n	a(n)
1	12
2	15
3	18
4	20
5	21
6	24
7	25
8	27
9	30
10	32
11	33
12	35
13	36
14	39
15	40
16	42
17	45
18	46
19	48
20	50
21	51
22	53
23	54
24	55
25	57
26	60
27	63
28	65
29	66
30	67
31	68
32	69
33	70
34	72
35	74
36	75
37	78
38	79
39	80
40	81
41	84
42	85
43	87
44	88
45	90
46	92
47	93
48	95
49	96
50	99
51	100
52	101
53	102
54	105
55	108
56	109
57	110
58	111
59	112
60	114
61	115
62	116

n	a(n)
1	12
2	15
3	18
4	20
5	21
6	24
7	25
8	27
9	30
10	32
11	33
12	35
13	36
14	39
15	40
16	42
17	45
18	46
19	48
20	50
21	51
22	53
23	54
24	55
25	57
26	60
27	63
28	65
29	66
30	67
31	68
32	69
33	70
34	72
35	74
36	75
37	78
38	79
39	80
40	81
41	84
42	85
43	87
44	88
45	90
46	92
47	93
48	95
49	96
50	99
51	100
52	101
53	102
54	105
55	108
56	109
57	110
58	111
59	112
60	114
61	115
62	116

n	a(n)
1	12
2	15
3	18
4	20
5	21
6	24
7	25
8	27
9	30
10	32
11	33
12	35
13	36
14	39
15	40
16	42
17	45
18	46
19	48
20	50
21	51
22	53
23	54
24	55
25	57
26	60
27	63
28	65
29	66
30	67
31	68
32	69
33	70
34	72
35	74
36	75
37	78
38	79
39	80
40	81
41	84
42	85
43	87
44	88
45	90
46	92
47	93
48	95
49	96
50	99
51	100
52	101
53	102
54	105
55	108
56	109
57	110
58	111
59	112
60	114
61	115
62	116