A337754 - cp's OEIS frontend

A337754 Least prime p such that 2p+1, 2p+3,..., 2p+2n+1 are not prime.

n	a(n)
0	7
1	31
2	59
3	59
4	263
5	263
6	263
7	691
8	977
9	1091
10	1487
11	1487
12	2417
13	2797
14	4987
15	4987
16	6427
17	9811
18	9811
19	12739
20	12739
21	12739
22	17033
23	17033
24	17033
25	17033
26	17033
27	17033
28	67261
29	77969
30	77969
31	77969
32	77969
33	77969
34	140717
35	140717
36	140717
37	169019
38	169019
39	169019
40	180331

[7, 31, 59, 59, 263, 263, 263, 691, 977, 1091, 1487, 1487, 2417, 2797, 4987, 4987, 6427, 9811, 9811, 12739, 12739, 12739, 17033, 17033, 17033, 17033, 17033, 17033, 67261, 77969, 77969, 77969, 77969, 77969, 140717, 140717, 140717, 169019, 169019, 169019, 180331]

cp's OEIS Frontend

A337754 Least prime p such that 2p+1, 2p+3,..., 2p+2n+1 are not prime.

Table of values

List of values