cp's OEIS Frontend

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.

A274134 Primes p such that both ror(p) and rol(p) are also primes, where ror(x)=A038572(x) is x rotated one binary place to the right, rol(x)=A006257(x) is x rotated one binary place to the left.

Table of values

n a(n)
1 3
2 7
3 11
4 31
5 43
6 67
7 79
8 127
9 131
10 139
11 167
12 191
13 211
14 223
15 227
16 307
17 331
18 367
19 487
20 523
21 631
22 691
23 743
24 751
25 883
26 971
27 1039
28 1087
29 1399
30 2063
31 2083
32 2143
33 2179
34 2239
35 2267
36 2287
37 2347
38 2411
39 2423
40 2503
41 2531
42 2543
43 2591
44 2687
45 2731
46 2803
47 2819
48 2927
49 2939
50 2963

List of values

[3, 7, 11, 31, 43, 67, 79, 127, 131, 139, 167, 191, 211, 223, 227, 307, 331, 367, 487, 523, 631, 691, 743, 751, 883, 971, 1039, 1087, 1399, 2063, 2083, 2143, 2179, 2239, 2267, 2287, 2347, 2411, 2423, 2503, 2531, 2543, 2591, 2687, 2731, 2803, 2819, 2927, 2939, 2963]