A130699 - cp's OEIS frontend

A130699 Numbers n for which neither 2n-3 nor 2n+3 are primes.

n	a(n)
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	26
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	59
23	60
24	61
25	63
26	66
27	69
28	72
29	75
30	78
31	79
32	81
33	84
34	86
35	87
36	90
37	93
38	96
39	99
40	102
41	103
42	105
43	106
44	108
45	109
46	111
47	114
48	117
49	120
50	123
51	125
52	126
53	128
54	129
55	131
56	132
57	135
58	138
59	141
60	144
61	146

[6, 9, 12, 15, 18, 21, 24, 26, 27, 30, 33, 36, 39, 42, 44, 45, 48, 51, 54, 57, 59, 60, 61, 63, 66, 69, 72, 75, 78, 79, 81, 84, 86, 87, 90, 93, 96, 99, 102, 103, 105, 106, 108, 109, 111, 114, 117, 120, 123, 125, 126, 128, 129, 131, 132, 135, 138, 141, 144, 146]

cp's OEIS Frontend

A130699 Numbers n for which neither 2n-3 nor 2n+3 are primes.

Table of values

List of values

n	a(n)
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	26
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	59
23	60
24	61
25	63
26	66
27	69
28	72
29	75
30	78
31	79
32	81
33	84
34	86
35	87
36	90
37	93
38	96
39	99
40	102
41	103
42	105
43	106
44	108
45	109
46	111
47	114
48	117
49	120
50	123
51	125
52	126
53	128
54	129
55	131
56	132
57	135
58	138
59	141
60	144
61	146

n	a(n)
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	26
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	59
23	60
24	61
25	63
26	66
27	69
28	72
29	75
30	78
31	79
32	81
33	84
34	86
35	87
36	90
37	93
38	96
39	99
40	102
41	103
42	105
43	106
44	108
45	109
46	111
47	114
48	117
49	120
50	123
51	125
52	126
53	128
54	129
55	131
56	132
57	135
58	138
59	141
60	144
61	146

n	a(n)
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	26
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	59
23	60
24	61
25	63
26	66
27	69
28	72
29	75
30	78
31	79
32	81
33	84
34	86
35	87
36	90
37	93
38	96
39	99
40	102
41	103
42	105
43	106
44	108
45	109
46	111
47	114
48	117
49	120
50	123
51	125
52	126
53	128
54	129
55	131
56	132
57	135
58	138
59	141
60	144
61	146