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.

A235473 Primes whose base-3 representation is also the base-4 representation of a prime.

Table of values

n a(n)
1 2
2 43
3 61
4 67
5 97
6 103
7 127
8 139
9 151
10 157
11 199
12 211
13 229
14 277
15 283
16 331
17 337
18 349
19 373
20 379
21 433
22 439
23 463
24 499
25 523
26 571
27 601
28 607
29 727
30 751
31 787
32 823
33 853
34 883
35 919
36 991
37 1063
38 1087
39 1117
40 1213
41 1249
42 1327
43 1381
44 1429
45 1483
46 1531
47 1567
48 1597
49 1627
50 1759
51 1783
52 1867
53 1999

List of values

[2, 43, 61, 67, 97, 103, 127, 139, 151, 157, 199, 211, 229, 277, 283, 331, 337, 349, 373, 379, 433, 439, 463, 499, 523, 571, 601, 607, 727, 751, 787, 823, 853, 883, 919, 991, 1063, 1087, 1117, 1213, 1249, 1327, 1381, 1429, 1483, 1531, 1567, 1597, 1627, 1759, 1783, 1867, 1999]