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.

A235860 Minimal representation (considered minimal in any canonical base b >= 3) of n in a binary system using two distinct digits "1" and "2", not allowing zeros, where a digit d in position p (p = 1,2,3,...,n) represents the value d^p.

Table of values

n a(n)
1 1
2 2
3 12
4 112
5 21
6 22
7 122
8 1122
9 11122
10 211
11 212
12 1212
13 221
14 222
15 1222
16 11222
17 111222
18 1111222
19 2111
20 2112
21 12112
22 2121
23 2122
24 12122
25 112122
26 2211
27 2212
28 12212
29 2221
30 2222
31 12222
32 112222
33 1112222
34 11112222
35 111112222
36 21111
37 21112
38 121112
39 21121
40 21122

List of values

[1, 2, 12, 112, 21, 22, 122, 1122, 11122, 211, 212, 1212, 221, 222, 1222, 11222, 111222, 1111222, 2111, 2112, 12112, 2121, 2122, 12122, 112122, 2211, 2212, 12212, 2221, 2222, 12222, 112222, 1112222, 11112222, 111112222, 21111, 21112, 121112, 21121, 21122]