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.

A082059 Numbers k such that k, sigma(k) and phi(k) have the same decimal digits.

Table of values

n a(n)
1 1
2 1021
3 1201
4 2011
5 7687
6 7867
7 8677
8 10211
9 10271
10 10321
11 12011
12 12041
13 12071
14 12101
15 12301
16 12343
17 12401
18 12433
19 12601
20 14323
21 16787
22 17021
23 20011
24 20101
25 20161
26 20411
27 20611
28 21001
29 21011
30 21031
31 21061
32 21101
33 21401
34 21433
35 21601
36 21701
37 22343
38 22433

List of values

[1, 1021, 1201, 2011, 7687, 7867, 8677, 10211, 10271, 10321, 12011, 12041, 12071, 12101, 12301, 12343, 12401, 12433, 12601, 14323, 16787, 17021, 20011, 20101, 20161, 20411, 20611, 21001, 21011, 21031, 21061, 21101, 21401, 21433, 21601, 21701, 22343, 22433]