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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A127003 Smallest prime p such that p+10^n is also prime.

Table of values

n a(n)
0 2
1 3
2 3
3 13
4 7
5 3
6 3
7 19
8 7
9 7
10 19
11 3
12 61
13 37
14 31
15 37
16 61
17 3
18 3
19 97
20 151
21 193
22 139
23 157
24 7
25 13
26 67
27 103
28 331
29 379
30 211
31 271
32 709
33 61
34 193
35 103
36 67
37 43
38 547
39 3
40 139
41 109
42 991
43 79
44 31
45 439
46 937
47 193
48 193
49 2089
50 151
51 457
52 919
53 223
54 31
55 157
56 3
57 607
58 601
59 19
60 7
61 379
62 991
63 307

List of values

[2, 3, 3, 13, 7, 3, 3, 19, 7, 7, 19, 3, 61, 37, 31, 37, 61, 3, 3, 97, 151, 193, 139, 157, 7, 13, 67, 103, 331, 379, 211, 271, 709, 61, 193, 103, 67, 43, 547, 3, 139, 109, 991, 79, 31, 439, 937, 193, 193, 2089, 151, 457, 919, 223, 31, 157, 3, 607, 601, 19, 7, 379, 991, 307]