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.

A281093 Primes having only {3, 4, 7, 9} as digits.

Table of values

n a(n)
1 3
2 7
3 37
4 43
5 47
6 73
7 79
8 97
9 337
10 347
11 349
12 373
13 379
14 397
15 433
16 439
17 443
18 449
19 479
20 499
21 733
22 739
23 743
24 773
25 797
26 937
27 947
28 977
29 997
30 3343
31 3347
32 3373
33 3433
34 3449
35 3499
36 3733
37 3739
38 3779
39 3793
40 3797
41 3943
42 3947
43 4337
44 4339
45 4349
46 4373
47 4397
48 4447
49 4493
50 4733

List of values

[3, 7, 37, 43, 47, 73, 79, 97, 337, 347, 349, 373, 379, 397, 433, 439, 443, 449, 479, 499, 733, 739, 743, 773, 797, 937, 947, 977, 997, 3343, 3347, 3373, 3433, 3449, 3499, 3733, 3739, 3779, 3793, 3797, 3943, 3947, 4337, 4339, 4349, 4373, 4397, 4447, 4493, 4733]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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