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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.

A053685 Primes p > 7 which are congruent to 2 or 4 (mod 5) for which 2p-1 is also prime.

Table of values

n a(n)
1 19
2 37
3 79
4 97
5 139
6 157
7 199
8 229
9 307
10 337
11 367
12 379
13 439
14 499
15 547
16 577
17 607
18 619
19 727
20 829
21 877
22 937
23 967
24 997
25 1009
26 1069
27 1237
28 1279
29 1297
30 1399
31 1429
32 1459
33 1609
34 1627
35 1657
36 1759
37 1867
38 2029
39 2089
40 2137
41 2179
42 2467
43 2539
44 2557
45 2617
46 2707
47 2719

List of values

[19, 37, 79, 97, 139, 157, 199, 229, 307, 337, 367, 379, 439, 499, 547, 577, 607, 619, 727, 829, 877, 937, 967, 997, 1009, 1069, 1237, 1279, 1297, 1399, 1429, 1459, 1609, 1627, 1657, 1759, 1867, 2029, 2089, 2137, 2179, 2467, 2539, 2557, 2617, 2707, 2719]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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