A284045 - cp's OEIS frontend

A284045 Numbers k such that p = 6k-1 and q = 6k+1 are twin primes and (p^2 + q^2)/2 is prime.

n	a(n)
1	1
2	25
3	30
4	40
5	45
6	70
7	95
8	215
9	220
10	385
11	425
12	455
13	560
14	565
15	710
16	775
17	975
18	980
19	1060
20	1130
21	1500
22	1540
23	1605
24	1755
25	1815
26	1995
27	2280
28	2305
29	2335
30	2425
31	2705
32	2775
33	3010
34	3020
35	3090
36	3190
37	3230
38	3600
39	3640
40	3895
41	3945
42	4455
43	4480
44	4615
45	4900
46	5045
47	5495
48	5525
49	5750
50	5880

[1, 25, 30, 40, 45, 70, 95, 215, 220, 385, 425, 455, 560, 565, 710, 775, 975, 980, 1060, 1130, 1500, 1540, 1605, 1755, 1815, 1995, 2280, 2305, 2335, 2425, 2705, 2775, 3010, 3020, 3090, 3190, 3230, 3600, 3640, 3895, 3945, 4455, 4480, 4615, 4900, 5045, 5495, 5525, 5750, 5880]

cp's OEIS Frontend

A284045 Numbers k such that p = 6k-1 and q = 6k+1 are twin primes and (p^2 + q^2)/2 is prime.

Table of values

List of values