A164958 - cp's OEIS frontend

A164958 Primes p with the property that if p/3 is in the interval (p_m, p_(m+1)), where p_m>=3 and p_k is the k-th prime, then the interval (3p_m, p) contains a prime.

n	a(n)
1	2
2	3
3	5
4	13
5	19
6	29
7	31
8	43
9	47
10	61
11	67
12	73
13	79
14	83
15	101
16	103
17	107
18	109
19	137
20	139
21	151
22	157
23	167
24	173
25	181
26	193
27	197
28	199
29	229
30	233
31	241
32	257
33	263
34	271
35	277
36	281
37	283
38	313
39	317
40	349
41	353
42	359
43	367
44	373
45	379
46	389
47	401
48	409
49	431
50	433
51	439
52	443
53	461
54	463
55	467
56	487
57	499

[2, 3, 5, 13, 19, 29, 31, 43, 47, 61, 67, 73, 79, 83, 101, 103, 107, 109, 137, 139, 151, 157, 167, 173, 181, 193, 197, 199, 229, 233, 241, 257, 263, 271, 277, 281, 283, 313, 317, 349, 353, 359, 367, 373, 379, 389, 401, 409, 431, 433, 439, 443, 461, 463, 467, 487, 499]

cp's OEIS Frontend

A164958 Primes p with the property that if p/3 is in the interval (p_m, p_(m+1)), where p_m>=3 and p_k is the k-th prime, then the interval (3p_m, p) contains a prime.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	13
5	19
6	29
7	31
8	43
9	47
10	61
11	67
12	73
13	79
14	83
15	101
16	103
17	107
18	109
19	137
20	139
21	151
22	157
23	167
24	173
25	181
26	193
27	197
28	199
29	229
30	233
31	241
32	257
33	263
34	271
35	277
36	281
37	283
38	313
39	317
40	349
41	353
42	359
43	367
44	373
45	379
46	389
47	401
48	409
49	431
50	433
51	439
52	443
53	461
54	463
55	467
56	487
57	499

n	a(n)
1	2
2	3
3	5
4	13
5	19
6	29
7	31
8	43
9	47
10	61
11	67
12	73
13	79
14	83
15	101
16	103
17	107
18	109
19	137
20	139
21	151
22	157
23	167
24	173
25	181
26	193
27	197
28	199
29	229
30	233
31	241
32	257
33	263
34	271
35	277
36	281
37	283
38	313
39	317
40	349
41	353
42	359
43	367
44	373
45	379
46	389
47	401
48	409
49	431
50	433
51	439
52	443
53	461
54	463
55	467
56	487
57	499

n	a(n)
1	2
2	3
3	5
4	13
5	19
6	29
7	31
8	43
9	47
10	61
11	67
12	73
13	79
14	83
15	101
16	103
17	107
18	109
19	137
20	139
21	151
22	157
23	167
24	173
25	181
26	193
27	197
28	199
29	229
30	233
31	241
32	257
33	263
34	271
35	277
36	281
37	283
38	313
39	317
40	349
41	353
42	359
43	367
44	373
45	379
46	389
47	401
48	409
49	431
50	433
51	439
52	443
53	461
54	463
55	467
56	487
57	499