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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.

A173970 Primes p such that 2*p-NextPrime are prime numbers.

Table of values

n a(n)
1 5
2 7
3 23
4 47
5 53
6 73
7 157
8 173
9 211
10 233
11 257
12 263
13 353
14 373
15 563
16 593
17 607
18 619
19 647
20 653
21 733
22 947
23 977
24 1069
25 1097
26 1103
27 1123
28 1187
29 1223
30 1283
31 1367
32 1433
33 1453
34 1459
35 1493
36 1499
37 1511
38 1613
39 1709
40 1747
41 1753
42 1759
43 1789
44 1889
45 1907
46 2099
47 2161
48 2287

List of values

[5, 7, 23, 47, 53, 73, 157, 173, 211, 233, 257, 263, 353, 373, 563, 593, 607, 619, 647, 653, 733, 947, 977, 1069, 1097, 1103, 1123, 1187, 1223, 1283, 1367, 1433, 1453, 1459, 1493, 1499, 1511, 1613, 1709, 1747, 1753, 1759, 1789, 1889, 1907, 2099, 2161, 2287]

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

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