A120124 - cp's OEIS frontend

A120124 Smallest prime p such that p*10^n + 1 is a prime.

n	a(n)
1	3
2	7
3	3
4	7
5	7
6	61
7	3
8	7
9	7
10	3
11	19
12	37
13	109
14	79
15	97
16	13
17	37
18	19
19	73
20	103
21	97
22	283
23	157
24	61
25	19
26	61
27	1213
28	3
29	163
30	691
31	367
32	163
33	181
34	157
35	241
36	3
37	103
38	733
39	151
40	283
41	337
42	193
43	211
44	163
45	7
46	73
47	307
48	61
49	223
50	1549
51	31
52	127
53	13
54	547
55	103
56	151
57	193
58	811
59	337
60	19
61	1021
62	151

[3, 7, 3, 7, 7, 61, 3, 7, 7, 3, 19, 37, 109, 79, 97, 13, 37, 19, 73, 103, 97, 283, 157, 61, 19, 61, 1213, 3, 163, 691, 367, 163, 181, 157, 241, 3, 103, 733, 151, 283, 337, 193, 211, 163, 7, 73, 307, 61, 223, 1549, 31, 127, 13, 547, 103, 151, 193, 811, 337, 19, 1021, 151]

cp's OEIS Frontend

A120124 Smallest prime p such that p*10^n + 1 is a prime.

Table of values

List of values