A187766 - cp's OEIS frontend

A187766 Even numbers k such that prime(k) -+ k are both composite.

n	a(n)
1	12
2	20
3	36
4	38
5	40
6	46
7	52
8	56
9	58
10	60
11	62
12	64
13	74
14	78
15	80
16	86
17	88
18	112
19	118
20	120
21	122
22	124
23	128
24	132
25	134
26	136
27	138
28	140
29	142
30	146
31	156
32	160
33	162
34	164
35	166
36	170
37	176
38	182
39	184
40	186
41	188
42	190
43	194
44	198
45	208
46	210
47	212
48	216

[12, 20, 36, 38, 40, 46, 52, 56, 58, 60, 62, 64, 74, 78, 80, 86, 88, 112, 118, 120, 122, 124, 128, 132, 134, 136, 138, 140, 142, 146, 156, 160, 162, 164, 166, 170, 176, 182, 184, 186, 188, 190, 194, 198, 208, 210, 212, 216]

cp's OEIS Frontend

A187766 Even numbers k such that prime(k) -+ k are both composite.

Table of values

List of values

n	a(n)
1	12
2	20
3	36
4	38
5	40
6	46
7	52
8	56
9	58
10	60
11	62
12	64
13	74
14	78
15	80
16	86
17	88
18	112
19	118
20	120
21	122
22	124
23	128
24	132
25	134
26	136
27	138
28	140
29	142
30	146
31	156
32	160
33	162
34	164
35	166
36	170
37	176
38	182
39	184
40	186
41	188
42	190
43	194
44	198
45	208
46	210
47	212
48	216

n	a(n)
1	12
2	20
3	36
4	38
5	40
6	46
7	52
8	56
9	58
10	60
11	62
12	64
13	74
14	78
15	80
16	86
17	88
18	112
19	118
20	120
21	122
22	124
23	128
24	132
25	134
26	136
27	138
28	140
29	142
30	146
31	156
32	160
33	162
34	164
35	166
36	170
37	176
38	182
39	184
40	186
41	188
42	190
43	194
44	198
45	208
46	210
47	212
48	216

n	a(n)
1	12
2	20
3	36
4	38
5	40
6	46
7	52
8	56
9	58
10	60
11	62
12	64
13	74
14	78
15	80
16	86
17	88
18	112
19	118
20	120
21	122
22	124
23	128
24	132
25	134
26	136
27	138
28	140
29	142
30	146
31	156
32	160
33	162
34	164
35	166
36	170
37	176
38	182
39	184
40	186
41	188
42	190
43	194
44	198
45	208
46	210
47	212
48	216