A242244 - cp's OEIS frontend

A242244 Primes p such that both p^2 + 2 and p^2 - 2 are semiprimes.

n	a(n)
1	11
2	17
3	53
4	73
5	79
6	83
7	97
8	251
9	269
10	281
11	379
12	389
13	433
14	461
15	601
16	631
17	691
18	739
19	827
20	929
21	947
22	983
23	1033
24	1087
25	1187
26	1303
27	1423
28	1483
29	1531
30	1637
31	1709
32	1847
33	1879
34	2447
35	2473
36	2683
37	2833
38	2843
39	3301
40	3463
41	3557
42	3719
43	3727
44	3779
45	3833
46	3907
47	3931
48	4157

[11, 17, 53, 73, 79, 83, 97, 251, 269, 281, 379, 389, 433, 461, 601, 631, 691, 739, 827, 929, 947, 983, 1033, 1087, 1187, 1303, 1423, 1483, 1531, 1637, 1709, 1847, 1879, 2447, 2473, 2683, 2833, 2843, 3301, 3463, 3557, 3719, 3727, 3779, 3833, 3907, 3931, 4157]

cp's OEIS Frontend

A242244 Primes p such that both p^2 + 2 and p^2 - 2 are semiprimes.

Table of values

List of values