A087679 - cp's OEIS frontend

A087679 Numbers k such that both k+2 and k-2 are prime.

n	a(n)
1	5
2	9
3	15
4	21
5	39
6	45
7	69
8	81
9	99
10	105
11	111
12	129
13	165
14	195
15	225
16	231
17	279
18	309
19	315
20	351
21	381
22	399
23	441
24	459
25	465
26	489
27	501
28	615
29	645
30	675
31	741
32	759
33	771
34	825
35	855
36	861
37	879
38	885
39	909
40	939
41	969
42	1011
43	1089
44	1095
45	1215
46	1281
47	1299
48	1305
49	1425
50	1431
51	1449
52	1485

[5, 9, 15, 21, 39, 45, 69, 81, 99, 105, 111, 129, 165, 195, 225, 231, 279, 309, 315, 351, 381, 399, 441, 459, 465, 489, 501, 615, 645, 675, 741, 759, 771, 825, 855, 861, 879, 885, 909, 939, 969, 1011, 1089, 1095, 1215, 1281, 1299, 1305, 1425, 1431, 1449, 1485]

cp's OEIS Frontend

A087679 Numbers k such that both k+2 and k-2 are prime.

Table of values

List of values