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.

A173580 Primes where each digit is 0, 1, 2, 4, or 8.

Table of values

n a(n)
1 2
2 11
3 41
4 101
5 181
6 211
7 241
8 281
9 401
10 421
11 811
12 821
13 881
14 1021
15 1181
16 1201
17 1481
18 1801
19 1811
20 2011
21 2081
22 2111
23 2141
24 2221
25 2281
26 2411
27 2441
28 2801
29 4001
30 4021
31 4111
32 4201
33 4211
34 4241
35 4421
36 4441
37 4481
38 4801
39 8011
40 8081
41 8101
42 8111
43 8221
44 8821
45 10111

List of values

[2, 11, 41, 101, 181, 211, 241, 281, 401, 421, 811, 821, 881, 1021, 1181, 1201, 1481, 1801, 1811, 2011, 2081, 2111, 2141, 2221, 2281, 2411, 2441, 2801, 4001, 4021, 4111, 4201, 4211, 4241, 4421, 4441, 4481, 4801, 8011, 8081, 8101, 8111, 8221, 8821, 10111]

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

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