A199860 - cp's OEIS frontend

A199860 Numbers k such that 6k-5 is a composite number of the form (6x-1) * (6y-1).

n	a(n)
1	5
2	10
3	15
4	20
5	21
6	25
7	30
8	32
9	35
10	40
11	43
12	45
13	49
14	50
15	54
16	55
17	60
18	65
19	66
20	70
21	75
22	76
23	80
24	83
25	85
26	87
27	89
28	90
29	95
30	98
31	100
32	105
33	109
34	110
35	112
36	115
37	117
38	120
39	125
40	130
41	131
42	134
43	135
44	140
45	141
46	142
47	145
48	150
49	151
50	153
51	155
52	158
53	160
54	164
55	165
56	168
57	170
58	175

[5, 10, 15, 20, 21, 25, 30, 32, 35, 40, 43, 45, 49, 50, 54, 55, 60, 65, 66, 70, 75, 76, 80, 83, 85, 87, 89, 90, 95, 98, 100, 105, 109, 110, 112, 115, 117, 120, 125, 130, 131, 134, 135, 140, 141, 142, 145, 150, 151, 153, 155, 158, 160, 164, 165, 168, 170, 175]

cp's OEIS Frontend

A199860 Numbers k such that 6k-5 is a composite number of the form (6x-1) * (6y-1).

Table of values

List of values

n	a(n)
1	5
2	10
3	15
4	20
5	21
6	25
7	30
8	32
9	35
10	40
11	43
12	45
13	49
14	50
15	54
16	55
17	60
18	65
19	66
20	70
21	75
22	76
23	80
24	83
25	85
26	87
27	89
28	90
29	95
30	98
31	100
32	105
33	109
34	110
35	112
36	115
37	117
38	120
39	125
40	130
41	131
42	134
43	135
44	140
45	141
46	142
47	145
48	150
49	151
50	153
51	155
52	158
53	160
54	164
55	165
56	168
57	170
58	175

n	a(n)
1	5
2	10
3	15
4	20
5	21
6	25
7	30
8	32
9	35
10	40
11	43
12	45
13	49
14	50
15	54
16	55
17	60
18	65
19	66
20	70
21	75
22	76
23	80
24	83
25	85
26	87
27	89
28	90
29	95
30	98
31	100
32	105
33	109
34	110
35	112
36	115
37	117
38	120
39	125
40	130
41	131
42	134
43	135
44	140
45	141
46	142
47	145
48	150
49	151
50	153
51	155
52	158
53	160
54	164
55	165
56	168
57	170
58	175

n	a(n)
1	5
2	10
3	15
4	20
5	21
6	25
7	30
8	32
9	35
10	40
11	43
12	45
13	49
14	50
15	54
16	55
17	60
18	65
19	66
20	70
21	75
22	76
23	80
24	83
25	85
26	87
27	89
28	90
29	95
30	98
31	100
32	105
33	109
34	110
35	112
36	115
37	117
38	120
39	125
40	130
41	131
42	134
43	135
44	140
45	141
46	142
47	145
48	150
49	151
50	153
51	155
52	158
53	160
54	164
55	165
56	168
57	170
58	175