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.

A321657 Base-4 deletable primes (written in base 10).

Table of values

n a(n)
1 2
2 3
3 7
4 11
5 13
6 19
7 23
8 29
9 31
10 43
11 47
12 53
13 59
14 61
15 67
16 71
17 79
18 83
19 103
20 107
21 109
22 113
23 127
24 139
25 151
26 157
27 163
28 167
29 173
30 179
31 181
32 191
33 197
34 211
35 223
36 227
37 229
38 239
39 241
40 251
41 263
42 269
43 271
44 283
45 307
46 311
47 317
48 331
49 359
50 383
51 397
52 419
53 431
54 433
55 439
56 443

List of values

[2, 3, 7, 11, 13, 19, 23, 29, 31, 43, 47, 53, 59, 61, 67, 71, 79, 83, 103, 107, 109, 113, 127, 139, 151, 157, 163, 167, 173, 179, 181, 191, 197, 211, 223, 227, 229, 239, 241, 251, 263, 269, 271, 283, 307, 311, 317, 331, 359, 383, 397, 419, 431, 433, 439, 443]