A087293 - cp's OEIS frontend

A087293 Numbers k such that ((prime(k)*prime(k+1))^2 + 1)/2 is prime.

n	a(n)
1	2
2	3
3	6
4	14
5	27
6	30
7	35
8	37
9	44
10	55
11	101
12	106
13	118
14	127
15	137
16	140
17	154
18	172
19	184
20	233
21	248
22	256
23	260
24	289
25	383
26	389
27	425
28	461
29	463
30	485
31	500
32	503
33	513
34	552
35	584
36	610
37	617
38	630
39	642
40	696
41	706
42	714
43	737
44	746
45	819
46	884
47	926
48	952
49	964
50	978
51	1004
52	1008
53	1019
54	1027

[2, 3, 6, 14, 27, 30, 35, 37, 44, 55, 101, 106, 118, 127, 137, 140, 154, 172, 184, 233, 248, 256, 260, 289, 383, 389, 425, 461, 463, 485, 500, 503, 513, 552, 584, 610, 617, 630, 642, 696, 706, 714, 737, 746, 819, 884, 926, 952, 964, 978, 1004, 1008, 1019, 1027]

cp's OEIS Frontend

A087293 Numbers k such that ((prime(k)*prime(k+1))^2 + 1)/2 is prime.

Table of values

List of values