A152461 - cp's OEIS frontend

A152461 Primes p such that there does not exist any positive integer k and prime q with p > q and 3^k = p + 2q or 3^k = q + 2p.

n	a(n)
1	2
2	7
3	19
4	41
5	53
6	61
7	73
8	79
9	83
10	89
11	127
12	131
13	139
14	151
15	163
16	167
17	173
18	179
19	191
20	193
21	199
22	211
23	223
24	227
25	241
26	257
27	277
28	293
29	317
30	337
31	373
32	379
33	389
34	397
35	401
36	409
37	419
38	421
39	433
40	439
41	443
42	449
43	457
44	461
45	463
46	479
47	487
48	491
49	499

[2, 7, 19, 41, 53, 61, 73, 79, 83, 89, 127, 131, 139, 151, 163, 167, 173, 179, 191, 193, 199, 211, 223, 227, 241, 257, 277, 293, 317, 337, 373, 379, 389, 397, 401, 409, 419, 421, 433, 439, 443, 449, 457, 461, 463, 479, 487, 491, 499]

cp's OEIS Frontend

A152461 Primes p such that there does not exist any positive integer k and prime q with p > q and 3^k = p + 2q or 3^k = q + 2p.

Table of values

List of values

n	a(n)
1	2
2	7
3	19
4	41
5	53
6	61
7	73
8	79
9	83
10	89
11	127
12	131
13	139
14	151
15	163
16	167
17	173
18	179
19	191
20	193
21	199
22	211
23	223
24	227
25	241
26	257
27	277
28	293
29	317
30	337
31	373
32	379
33	389
34	397
35	401
36	409
37	419
38	421
39	433
40	439
41	443
42	449
43	457
44	461
45	463
46	479
47	487
48	491
49	499

n	a(n)
1	2
2	7
3	19
4	41
5	53
6	61
7	73
8	79
9	83
10	89
11	127
12	131
13	139
14	151
15	163
16	167
17	173
18	179
19	191
20	193
21	199
22	211
23	223
24	227
25	241
26	257
27	277
28	293
29	317
30	337
31	373
32	379
33	389
34	397
35	401
36	409
37	419
38	421
39	433
40	439
41	443
42	449
43	457
44	461
45	463
46	479
47	487
48	491
49	499

n	a(n)
1	2
2	7
3	19
4	41
5	53
6	61
7	73
8	79
9	83
10	89
11	127
12	131
13	139
14	151
15	163
16	167
17	173
18	179
19	191
20	193
21	199
22	211
23	223
24	227
25	241
26	257
27	277
28	293
29	317
30	337
31	373
32	379
33	389
34	397
35	401
36	409
37	419
38	421
39	433
40	439
41	443
42	449
43	457
44	461
45	463
46	479
47	487
48	491
49	499