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.

A307254 Numbers k such that k is the substring identical to the most significant digits of its base-3 representation.

Table of values

n a(n)
1 0
2 1
3 2
4 10
5 20
6 21
7 102
8 110
9 212
10 220
11 1112
12 12112
13 100120102112
14 201012211212
15 1012020201210
16 2111021022020
17 11100220111211
18 22201211020121
19 112201021022110
20 120202121012200
21 1222102100221101
22 1000102100102121221002
23 2000211201000000212101
24 10102022202100111202222

List of values

[0, 1, 2, 10, 20, 21, 102, 110, 212, 220, 1112, 12112, 100120102112, 201012211212, 1012020201210, 2111021022020, 11100220111211, 22201211020121, 112201021022110, 120202121012200, 1222102100221101, 1000102100102121221002, 2000211201000000212101, 10102022202100111202222]

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

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