A172056 - cp's OEIS frontend

A172056 Primes p such that 2p+-1 and 2p+-3 are all composites.

n	a(n)
1	59
2	61
3	103
4	109
5	149
6	151
7	163
8	257
9	313
10	389
11	401
12	449
13	479
14	541
15	569
16	571
17	673
18	677
19	709
20	733
21	769
22	821
23	823
24	839
25	857
26	883
27	919
28	947
29	971
30	983
31	1061
32	1087
33	1093
34	1097
35	1129
36	1151
37	1163
38	1181
39	1249
40	1283
41	1301
42	1319
43	1321
44	1381
45	1433
46	1489
47	1493
48	1549

[59, 61, 103, 109, 149, 151, 163, 257, 313, 389, 401, 449, 479, 541, 569, 571, 673, 677, 709, 733, 769, 821, 823, 839, 857, 883, 919, 947, 971, 983, 1061, 1087, 1093, 1097, 1129, 1151, 1163, 1181, 1249, 1283, 1301, 1319, 1321, 1381, 1433, 1489, 1493, 1549]

cp's OEIS Frontend

A172056 Primes p such that 2p+-1 and 2p+-3 are all composites.

Table of values

List of values

cp's OEIS Frontend

A172056 Primes p such that 2*p+-1 and 2*p+-3 are all composites.

Table of values

List of values

A172056 Primes p such that 2p+-1 and 2p+-3 are all composites.