A128550 - cp's OEIS frontend

A128550 a(n) = p, the lesser of twin primes (p, q=p+2) such that p*q + p + q is prime.

n	a(n)
1	3
2	5
3	11
4	17
5	41
6	59
7	101
8	137
9	311
10	419
11	521
12	809
13	1019
14	1049
15	1151
16	1229
17	1319
18	1427
19	2111
20	2237
21	2267
22	3119
23	3329
24	3371
25	3539
26	4001
27	4049
28	4091
29	4217
30	4421
31	4721
32	5009
33	6359
34	6569
35	6689
36	6761
37	7487
38	7949
39	8537
40	8627
41	9629
42	9719
43	10007
44	10091
45	10709

[3, 5, 11, 17, 41, 59, 101, 137, 311, 419, 521, 809, 1019, 1049, 1151, 1229, 1319, 1427, 2111, 2237, 2267, 3119, 3329, 3371, 3539, 4001, 4049, 4091, 4217, 4421, 4721, 5009, 6359, 6569, 6689, 6761, 7487, 7949, 8537, 8627, 9629, 9719, 10007, 10091, 10709]

cp's OEIS Frontend

A128550 a(n) = p, the lesser of twin primes (p, q=p+2) such that p*q + p + q is prime.

Table of values

List of values