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.

A231480 Primes whose base-8 representation is also the base-9 representation of a prime.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 17
6 37
7 53
8 79
9 89
10 109
11 127
12 223
13 263
14 277
15 367
16 389
17 433
18 439
19 457
20 479
21 521
22 541
23 577
24 593
25 709
26 727
27 757
28 911
29 953
30 967
31 983
32 1061
33 1097
34 1117
35 1151
36 1153
37 1297
38 1447
39 1567
40 1583
41 1601
42 1637
43 1693
44 1709
45 1801
46 1879
47 1933
48 1951
49 2017
50 2069
51 2081
52 2213
53 2269

List of values

[2, 3, 5, 7, 17, 37, 53, 79, 89, 109, 127, 223, 263, 277, 367, 389, 433, 439, 457, 479, 521, 541, 577, 593, 709, 727, 757, 911, 953, 967, 983, 1061, 1097, 1117, 1151, 1153, 1297, 1447, 1567, 1583, 1601, 1637, 1693, 1709, 1801, 1879, 1933, 1951, 2017, 2069, 2081, 2213, 2269]