A128551 - cp's OEIS frontend

A128551 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	29
4	71
5	107
6	191
7	239
8	569
9	881
10	1091
11	1289
12	1619
13	1721
14	1931
15	1997
16	2081
17	2087
18	2129
19	2309
20	2381
21	2549
22	2591
23	2729
24	3299
25	3359
26	3527
27	3851
28	4229
29	4241
30	4271
31	4649
32	5279
33	5501
34	5651
35	6299
36	7127
37	7349
38	7547
39	7589
40	7757
41	8219
42	8969
43	9437
44	10037

[3, 5, 29, 71, 107, 191, 239, 569, 881, 1091, 1289, 1619, 1721, 1931, 1997, 2081, 2087, 2129, 2309, 2381, 2549, 2591, 2729, 3299, 3359, 3527, 3851, 4229, 4241, 4271, 4649, 5279, 5501, 5651, 6299, 7127, 7349, 7547, 7589, 7757, 8219, 8969, 9437, 10037]

cp's OEIS Frontend

A128551 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