A085956 - cp's OEIS frontend

A085956 Smallest prime p such that (2n)*p +1 and (p-1)/(2n) are prime, or 0 if no such prime exists.

n	a(n)
1	5
2	13
3	13
4	17
5	31
6	61
7	239
8	0
9	127
10	41
11	0
12	73
13	131
14	0
15	61
16	1889
17	0
18	397
19	419
20	0
21	211
22	89
23	0
24	97
25	101
26	0
27	163
28	113
29	0
30	181
31	2543
32	0
33	463
34	2789
35	211
36	5689
37	149
38	0
39	547
40	881
41	0
42	1093
43	173
44	0
45	271
46	9293
47	0
48	673
49	491
50	0
51	1123
52	14249
53	0
54	10909
55	3191
56	0
57	229
58	1973
59	0
60	241

[5, 13, 13, 17, 31, 61, 239, 0, 127, 41, 0, 73, 131, 0, 61, 1889, 0, 397, 419, 0, 211, 89, 0, 97, 101, 0, 163, 113, 0, 181, 2543, 0, 463, 2789, 211, 5689, 149, 0, 547, 881, 0, 1093, 173, 0, 271, 9293, 0, 673, 491, 0, 1123, 14249, 0, 10909, 3191, 0, 229, 1973, 0, 241]

cp's OEIS Frontend

A085956 Smallest prime p such that (2n)*p +1 and (p-1)/(2n) are prime, or 0 if no such prime exists.

Table of values

List of values