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.

A065725 Primes p such that the decimal expansion of its base-7 conversion is also prime.

Table of values

n a(n)
1 2
2 3
3 5
4 17
5 29
6 31
7 43
8 59
9 71
10 127
11 157
12 197
13 211
14 227
15 239
16 241
17 337
18 353
19 367
20 379
21 409
22 463
23 491
24 563
25 577
26 619
27 647
28 743
29 757
30 773
31 787
32 857
33 911
34 953
35 967
36 1093
37 1123
38 1163
39 1193
40 1249
41 1303
42 1373
43 1429
44 1459
45 1471
46 1499
47 1583
48 1597
49 1613
50 1627
51 1669

List of values

[2, 3, 5, 17, 29, 31, 43, 59, 71, 127, 157, 197, 211, 227, 239, 241, 337, 353, 367, 379, 409, 463, 491, 563, 577, 619, 647, 743, 757, 773, 787, 857, 911, 953, 967, 1093, 1123, 1163, 1193, 1249, 1303, 1373, 1429, 1459, 1471, 1499, 1583, 1597, 1613, 1627, 1669]