A284919 - cp's OEIS frontend

A284919 Even integers E such that there is no prime p < E with E - p and E + p both prime.

n	a(n)
1	0
2	2
3	4
4	6
5	28
6	38
7	52
8	58
9	62
10	68
11	74
12	80
13	82
14	88
15	94
16	98
17	112
18	118
19	122
20	124
21	128
22	136
23	146
24	148
25	152
26	158
27	164
28	166
29	172
30	178
31	182
32	184
33	188
34	190
35	206
36	208
37	212
38	214
39	218
40	220
41	224
42	238
43	242
44	244
45	248
46	250
47	256
48	262
49	268
50	278
51	284
52	290
53	292
54	296
55	298

[0, 2, 4, 6, 28, 38, 52, 58, 62, 68, 74, 80, 82, 88, 94, 98, 112, 118, 122, 124, 128, 136, 146, 148, 152, 158, 164, 166, 172, 178, 182, 184, 188, 190, 206, 208, 212, 214, 218, 220, 224, 238, 242, 244, 248, 250, 256, 262, 268, 278, 284, 290, 292, 296, 298]

cp's OEIS Frontend

A284919 Even integers E such that there is no prime p < E with E - p and E + p both prime.

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	6
5	28
6	38
7	52
8	58
9	62
10	68
11	74
12	80
13	82
14	88
15	94
16	98
17	112
18	118
19	122
20	124
21	128
22	136
23	146
24	148
25	152
26	158
27	164
28	166
29	172
30	178
31	182
32	184
33	188
34	190
35	206
36	208
37	212
38	214
39	218
40	220
41	224
42	238
43	242
44	244
45	248
46	250
47	256
48	262
49	268
50	278
51	284
52	290
53	292
54	296
55	298

n	a(n)
1	0
2	2
3	4
4	6
5	28
6	38
7	52
8	58
9	62
10	68
11	74
12	80
13	82
14	88
15	94
16	98
17	112
18	118
19	122
20	124
21	128
22	136
23	146
24	148
25	152
26	158
27	164
28	166
29	172
30	178
31	182
32	184
33	188
34	190
35	206
36	208
37	212
38	214
39	218
40	220
41	224
42	238
43	242
44	244
45	248
46	250
47	256
48	262
49	268
50	278
51	284
52	290
53	292
54	296
55	298

n	a(n)
1	0
2	2
3	4
4	6
5	28
6	38
7	52
8	58
9	62
10	68
11	74
12	80
13	82
14	88
15	94
16	98
17	112
18	118
19	122
20	124
21	128
22	136
23	146
24	148
25	152
26	158
27	164
28	166
29	172
30	178
31	182
32	184
33	188
34	190
35	206
36	208
37	212
38	214
39	218
40	220
41	224
42	238
43	242
44	244
45	248
46	250
47	256
48	262
49	268
50	278
51	284
52	290
53	292
54	296
55	298