A215642 - cp's OEIS frontend

A215642 Primes p such that there is no D such that p+D, p-D, p+2D, p-2D are all primes.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	19
8	23
9	31
10	37
11	41
12	43
13	47
14	53
15	59
16	61
17	73
18	79
19	83
20	103
21	107
22	109
23	113
24	127
25	137
26	139
27	149
28	151
29	157
30	179
31	181
32	199
33	223
34	227
35	229
36	239
37	251
38	271
39	277
40	281
41	293
42	311
43	331
44	349
45	353
46	359
47	367
48	379
49	383
50	389
51	397
52	401
53	409
54	421
55	431
56	439
57	487
58	499
59	541

[2, 3, 5, 7, 11, 13, 19, 23, 31, 37, 41, 43, 47, 53, 59, 61, 73, 79, 83, 103, 107, 109, 113, 127, 137, 139, 149, 151, 157, 179, 181, 199, 223, 227, 229, 239, 251, 271, 277, 281, 293, 311, 331, 349, 353, 359, 367, 379, 383, 389, 397, 401, 409, 421, 431, 439, 487, 499, 541]

cp's OEIS Frontend

A215642 Primes p such that there is no D such that p+D, p-D, p+2D, p-2D are all primes.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	19
8	23
9	31
10	37
11	41
12	43
13	47
14	53
15	59
16	61
17	73
18	79
19	83
20	103
21	107
22	109
23	113
24	127
25	137
26	139
27	149
28	151
29	157
30	179
31	181
32	199
33	223
34	227
35	229
36	239
37	251
38	271
39	277
40	281
41	293
42	311
43	331
44	349
45	353
46	359
47	367
48	379
49	383
50	389
51	397
52	401
53	409
54	421
55	431
56	439
57	487
58	499
59	541

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	19
8	23
9	31
10	37
11	41
12	43
13	47
14	53
15	59
16	61
17	73
18	79
19	83
20	103
21	107
22	109
23	113
24	127
25	137
26	139
27	149
28	151
29	157
30	179
31	181
32	199
33	223
34	227
35	229
36	239
37	251
38	271
39	277
40	281
41	293
42	311
43	331
44	349
45	353
46	359
47	367
48	379
49	383
50	389
51	397
52	401
53	409
54	421
55	431
56	439
57	487
58	499
59	541

cp's OEIS Frontend

A215642 Primes p such that there is no D such that p+D, p-D, p+2*D, p-2*D are all primes.

Table of values

List of values

A215642 Primes p such that there is no D such that p+D, p-D, p+2D, p-2D are all primes.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	19
8	23
9	31
10	37
11	41
12	43
13	47
14	53
15	59
16	61
17	73
18	79
19	83
20	103
21	107
22	109
23	113
24	127
25	137
26	139
27	149
28	151
29	157
30	179
31	181
32	199
33	223
34	227
35	229
36	239
37	251
38	271
39	277
40	281
41	293
42	311
43	331
44	349
45	353
46	359
47	367
48	379
49	383
50	389
51	397
52	401
53	409
54	421
55	431
56	439
57	487
58	499
59	541