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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.

A271981 Primes p such that p + 40 is also prime.

Table of values

n a(n)
1 3
2 7
3 13
4 19
5 31
6 43
7 61
8 67
9 73
10 97
11 109
12 127
13 139
14 151
15 157
16 193
17 199
18 211
19 223
20 229
21 241
22 271
23 277
24 307
25 313
26 349
27 379
28 409
29 421
30 439
31 463
32 523
33 547
34 577
35 601
36 607
37 613
38 619
39 643
40 661
41 733
42 757
43 769
44 787
45 823
46 907
47 937
48 991
49 1009
50 1021
51 1051
52 1063
53 1069

List of values

[3, 7, 13, 19, 31, 43, 61, 67, 73, 97, 109, 127, 139, 151, 157, 193, 199, 211, 223, 229, 241, 271, 277, 307, 313, 349, 379, 409, 421, 439, 463, 523, 547, 577, 601, 607, 613, 619, 643, 661, 733, 757, 769, 787, 823, 907, 937, 991, 1009, 1021, 1051, 1063, 1069]