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.

A386141 Primes having only {2, 3, 4, 7} as digits.

Table of values

n a(n)
1 2
2 3
3 7
4 23
5 37
6 43
7 47
8 73
9 223
10 227
11 233
12 277
13 337
14 347
15 373
16 433
17 443
18 727
19 733
20 743
21 773
22 2237
23 2243
24 2273
25 2333
26 2347
27 2377
28 2423
29 2437
30 2447
31 2473
32 2477
33 2777
34 3323
35 3343
36 3347
37 3373
38 3433
39 3727
40 3733
41 4243
42 4273
43 4327
44 4337
45 4373
46 4423
47 4447
48 4723
49 4733

List of values

[2, 3, 7, 23, 37, 43, 47, 73, 223, 227, 233, 277, 337, 347, 373, 433, 443, 727, 733, 743, 773, 2237, 2243, 2273, 2333, 2347, 2377, 2423, 2437, 2447, 2473, 2477, 2777, 3323, 3343, 3347, 3373, 3433, 3727, 3733, 4243, 4273, 4327, 4337, 4373, 4423, 4447, 4723, 4733]