A180931 - cp's OEIS frontend

A180931 Primes p such that their product for the successive prime plus one added to one is a prime: p(i)*[p(i+1)+1]+1 gives a prime.

n	a(n)
1	3
2	5
3	19
4	23
5	29
6	47
7	53
8	59
9	79
10	137
11	167
12	179
13	233
14	239
15	241
16	263
17	283
18	349
19	353
20	359
21	383
22	389
23	419
24	421
25	439
26	491
27	563
28	617
29	653
30	701
31	709
32	719
33	739
34	769
35	797
36	811
37	829
38	887
39	1049
40	1051
41	1129
42	1153
43	1187
44	1399
45	1433
46	1489
47	1523
48	1549
49	1559
50	1579
51	1601

[3, 5, 19, 23, 29, 47, 53, 59, 79, 137, 167, 179, 233, 239, 241, 263, 283, 349, 353, 359, 383, 389, 419, 421, 439, 491, 563, 617, 653, 701, 709, 719, 739, 769, 797, 811, 829, 887, 1049, 1051, 1129, 1153, 1187, 1399, 1433, 1489, 1523, 1549, 1559, 1579, 1601]

cp's OEIS Frontend

A180931 Primes p such that their product for the successive prime plus one added to one is a prime: p(i)*[p(i+1)+1]+1 gives a prime.

Table of values

List of values