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.

A109827 Numbers written in an alternating binary-then-ternary base.

Table of values

n a(n)
0 0
1 1
2 10
3 11
4 20
5 21
6 100
7 101
8 110
9 111
10 120
11 121
12 1000
13 1001
14 1010
15 1011
16 1020
17 1021
18 1100
19 1101
20 1110
21 1111
22 1120
23 1121
24 2000
25 2001
26 2010
27 2011
28 2020
29 2021
30 2100
31 2101
32 2110
33 2111
34 2120
35 2121
36 10000
37 10001
38 10010
39 10011
40 10020
41 10021
42 10100
43 10101

List of values

[0, 1, 10, 11, 20, 21, 100, 101, 110, 111, 120, 121, 1000, 1001, 1010, 1011, 1020, 1021, 1100, 1101, 1110, 1111, 1120, 1121, 2000, 2001, 2010, 2011, 2020, 2021, 2100, 2101, 2110, 2111, 2120, 2121, 10000, 10001, 10010, 10011, 10020, 10021, 10100, 10101]