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.

A235477 Primes whose base-2 representation also is the base-7 representation of a prime.

Table of values

n a(n)
1 2
2 31
3 47
4 59
5 103
6 107
7 173
8 179
9 181
10 199
11 211
12 227
13 229
14 233
15 367
16 409
17 443
18 463
19 487
20 701
21 743
22 757
23 823
24 827
25 877
26 911
27 919
28 967
29 1009
30 1123
31 1163
32 1291
33 1321
34 1367
35 1373
36 1447
37 1493
38 1571
39 1583
40 1597
41 1609
42 1627
43 1657
44 1669
45 1721
46 1831
47 1933
48 1987

List of values

[2, 31, 47, 59, 103, 107, 173, 179, 181, 199, 211, 227, 229, 233, 367, 409, 443, 463, 487, 701, 743, 757, 823, 827, 877, 911, 919, 967, 1009, 1123, 1163, 1291, 1321, 1367, 1373, 1447, 1493, 1571, 1583, 1597, 1609, 1627, 1657, 1669, 1721, 1831, 1933, 1987]