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.

A278699 Primes p such that every suffix of the base-4 representation of p is a prime.

Table of values

n a(n)
1 2
2 3
3 7
4 11
5 19
6 23
7 43
8 59
9 67
10 71
11 83
12 107
13 131
14 139
15 151
16 199
17 211
18 251
19 263
20 467
21 523
22 571
23 619
24 643
25 787
26 811
27 827
28 839
29 907
30 919
31 967
32 1019
33 1031
34 1091
35 1163
36 1223
37 1667
38 1811
39 1931
40 2131
41 2179
42 2311
43 2887
44 3067
45 3079
46 3083
47 3203
48 3271
49 3323
50 3539
51 3643
52 3691
53 3911
54 4091
55 4099
56 4139

List of values

[2, 3, 7, 11, 19, 23, 43, 59, 67, 71, 83, 107, 131, 139, 151, 199, 211, 251, 263, 467, 523, 571, 619, 643, 787, 811, 827, 839, 907, 919, 967, 1019, 1031, 1091, 1163, 1223, 1667, 1811, 1931, 2131, 2179, 2311, 2887, 3067, 3079, 3083, 3203, 3271, 3323, 3539, 3643, 3691, 3911, 4091, 4099, 4139]