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.

A019546 Primes whose digits are primes; primes having only {2, 3, 5, 7} as digits.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 23
6 37
7 53
8 73
9 223
10 227
11 233
12 257
13 277
14 337
15 353
16 373
17 523
18 557
19 577
20 727
21 733
22 757
23 773
24 2237
25 2273
26 2333
27 2357
28 2377
29 2557
30 2753
31 2777
32 3253
33 3257
34 3323
35 3373
36 3527
37 3533
38 3557
39 3727
40 3733
41 5227
42 5233
43 5237
44 5273
45 5323
46 5333
47 5527
48 5557

List of values

[2, 3, 5, 7, 23, 37, 53, 73, 223, 227, 233, 257, 277, 337, 353, 373, 523, 557, 577, 727, 733, 757, 773, 2237, 2273, 2333, 2357, 2377, 2557, 2753, 2777, 3253, 3257, 3323, 3373, 3527, 3533, 3557, 3727, 3733, 5227, 5233, 5237, 5273, 5323, 5333, 5527, 5557]