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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.

A140268 a(n) = negative integer -n presented in balanced ternary system.

Table of values

n a(n)
1 2
2 21
3 20
4 22
5 211
6 210
7 212
8 201
9 200
10 202
11 221
12 220
13 222
14 2111
15 2110
16 2112
17 2101
18 2100
19 2102
20 2121
21 2120
22 2122
23 2011
24 2010
25 2012
26 2001
27 2000
28 2002
29 2021
30 2020
31 2022
32 2211
33 2210
34 2212
35 2201
36 2200
37 2202
38 2221
39 2220
40 2222
41 21111
42 21110
43 21112

List of values

[2, 21, 20, 22, 211, 210, 212, 201, 200, 202, 221, 220, 222, 2111, 2110, 2112, 2101, 2100, 2102, 2121, 2120, 2122, 2011, 2010, 2012, 2001, 2000, 2002, 2021, 2020, 2022, 2211, 2210, 2212, 2201, 2200, 2202, 2221, 2220, 2222, 21111, 21110, 21112]

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

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