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.

A089601 Interleaving of A089591 and A089600.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 2
5 10
6 11
7 11
8 12
9 20
10 21
11 101
12 102
13 110
14 111
15 111
16 112
17 120
18 121
19 201
20 202
21 210
22 211
23 1011
24 1012
25 1020
26 1021
27 1101
28 1102
29 1110
30 1111
31 1111
32 1112
33 1120
34 1121
35 1201
36 1202
37 1210
38 1211
39 2011
40 2012
41 2020
42 2021
43 2101
44 2102
45 2110
46 2111
47 10111

List of values

[0, 0, 1, 1, 2, 10, 11, 11, 12, 20, 21, 101, 102, 110, 111, 111, 112, 120, 121, 201, 202, 210, 211, 1011, 1012, 1020, 1021, 1101, 1102, 1110, 1111, 1111, 1112, 1120, 1121, 1201, 1202, 1210, 1211, 2011, 2012, 2020, 2021, 2101, 2102, 2110, 2111, 10111]

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

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