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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.

A228968 Prime p such that p and p+2 are twin primes and p^2+p-1 p^2+p+1 are also twin primes.

Table of values

n a(n)
1 3
2 5
3 41
4 59
5 101
6 2729
7 3251
8 9719
9 11549
10 12251
11 19211
12 28619
13 41201
14 47711
15 49391
16 55439
17 58229
18 61979
19 63029
20 63311
21 79631
22 81371
23 85331
24 103391
25 122039
26 135719
27 153509
28 157349
29 164249
30 167441
31 178601
32 188861
33 197711
34 208001
35 209819
36 216779
37 219311
38 226451

List of values

[3, 5, 41, 59, 101, 2729, 3251, 9719, 11549, 12251, 19211, 28619, 41201, 47711, 49391, 55439, 58229, 61979, 63029, 63311, 79631, 81371, 85331, 103391, 122039, 135719, 153509, 157349, 164249, 167441, 178601, 188861, 197711, 208001, 209819, 216779, 219311, 226451]

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

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