A176807 - cp's OEIS frontend

A176807 Lesser of twin primes p such that p = semiprime(k)/3 and p + 2 = semiprime(k+3)/3 for some integer k.

n	a(n)
1	3
2	107
3	137
4	179
5	239
6	419
7	461
8	659
9	1049
10	1091
11	1697
12	1787
13	1871
14	2027
15	2111
16	2381
17	2687
18	2711
19	3167
20	3299
21	3329
22	3359
23	3371
24	3467
25	3851
26	4259
27	4721
28	4967
29	5279
30	5501
31	5639
32	5651
33	5867
34	6269
35	6449
36	7487
37	8819
38	8969
39	9011
40	9431
41	9629

[3, 107, 137, 179, 239, 419, 461, 659, 1049, 1091, 1697, 1787, 1871, 2027, 2111, 2381, 2687, 2711, 3167, 3299, 3329, 3359, 3371, 3467, 3851, 4259, 4721, 4967, 5279, 5501, 5639, 5651, 5867, 6269, 6449, 7487, 8819, 8969, 9011, 9431, 9629]

cp's OEIS Frontend

A176807 Lesser of twin primes p such that p = semiprime(k)/3 and p + 2 = semiprime(k+3)/3 for some integer k.

Table of values

List of values