A155767 - cp's OEIS frontend

A155767 Least prime p such that p - 2n is prime, but not both p-2k and p-2(n-k) are prime for 0 < k < n.

n	a(n)
0	2
1	5
2	11
3	11
4	31
5	29
6	31
7	61
8	59
9	31
10	127
11	233
12	61
13	127
14	101
15	61
16	223
17	233
18	139
19	277
20	311
21	149
22	613
23	359
24	227
25	331
26	449
27	163
28	547
29	521
30	251
31	919
32	983
33	179
34	571
35	353
36	563
37	1693
38	599
39	277
40	739
41	773
42	307
43	907
44	1409
45	331
46	1399
47	1721
48	389
49	1471
50	1721
51	853
52	2503
53	929

[2, 5, 11, 11, 31, 29, 31, 61, 59, 31, 127, 233, 61, 127, 101, 61, 223, 233, 139, 277, 311, 149, 613, 359, 227, 331, 449, 163, 547, 521, 251, 919, 983, 179, 571, 353, 563, 1693, 599, 277, 739, 773, 307, 907, 1409, 331, 1399, 1721, 389, 1471, 1721, 853, 2503, 929]

cp's OEIS Frontend

A155767 Least prime p such that p - 2n is prime, but not both p-2k and p-2(n-k) are prime for 0 < k < n.

Table of values

List of values