A289556 - cp's OEIS frontend

A289556 Primes p such that both 5p - 4 and 4p - 5 are prime.

n	a(n)
1	3
2	7
3	13
4	43
5	67
6	109
7	127
8	151
9	163
10	211
11	277
12	307
13	373
14	457
15	463
16	601
17	613
18	673
19	727
20	853
21	919
22	967
23	1021
24	1117
25	1171
26	1231
27	1399
28	1471
29	1483
30	1747
31	1789
32	1933
33	2029
34	2251
35	2311
36	2389
37	2503
38	2521
39	2557
40	2659
41	2851
42	2857
43	3019
44	3067
45	3121
46	3229
47	3583
48	3613
49	3637
50	3691
51	3697

[3, 7, 13, 43, 67, 109, 127, 151, 163, 211, 277, 307, 373, 457, 463, 601, 613, 673, 727, 853, 919, 967, 1021, 1117, 1171, 1231, 1399, 1471, 1483, 1747, 1789, 1933, 2029, 2251, 2311, 2389, 2503, 2521, 2557, 2659, 2851, 2857, 3019, 3067, 3121, 3229, 3583, 3613, 3637, 3691, 3697]

cp's OEIS Frontend

A289556 Primes p such that both 5p - 4 and 4p - 5 are prime.

Table of values

List of values

cp's OEIS Frontend

A289556 Primes p such that both 5*p - 4 and 4*p - 5 are prime.

Table of values

List of values

A289556 Primes p such that both 5p - 4 and 4p - 5 are prime.