A023205 - cp's OEIS frontend

A023205 Numbers m such that m and 2*m + 5 are both prime.

n	a(n)
1	3
2	7
3	13
4	19
5	31
6	37
7	61
8	67
9	73
10	79
11	97
12	103
13	109
14	139
15	151
16	163
17	181
18	229
19	241
20	271
21	283
22	307
23	313
24	367
25	373
26	409
27	439
28	457
29	523
30	541
31	613
32	643
33	661
34	709
35	727
36	733
37	739
38	769
39	787
40	811
41	829
42	859
43	877
44	937
45	991
46	997
47	1039
48	1063
49	1069
50	1087
51	1117
52	1123
53	1153
54	1171

[3, 7, 13, 19, 31, 37, 61, 67, 73, 79, 97, 103, 109, 139, 151, 163, 181, 229, 241, 271, 283, 307, 313, 367, 373, 409, 439, 457, 523, 541, 613, 643, 661, 709, 727, 733, 739, 769, 787, 811, 829, 859, 877, 937, 991, 997, 1039, 1063, 1069, 1087, 1117, 1123, 1153, 1171]

cp's OEIS Frontend

A023205 Numbers m such that m and 2*m + 5 are both prime.

Table of values

List of values