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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.

A233010 In balanced ternary notation, either a palindrome or becomes a palindrome if trailing 0's are omitted.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 7
6 9
7 10
8 12
9 13
10 16
11 21
12 27
13 28
14 30
15 36
16 39
17 40
18 43
19 48
20 52
21 61
22 63
23 73
24 81
25 82
26 84
27 90
28 91
29 103
30 108
31 112
32 117
33 120
34 121
35 124
36 129
37 144
38 156
39 160
40 183
41 189
42 196
43 208
44 219
45 243
46 244
47 246
48 252
49 270
50 273
51 280
52 292
53 309
54 324
55 328
56 336
57 351
58 360
59 363

List of values

[0, 1, 3, 4, 7, 9, 10, 12, 13, 16, 21, 27, 28, 30, 36, 39, 40, 43, 48, 52, 61, 63, 73, 81, 82, 84, 90, 91, 103, 108, 112, 117, 120, 121, 124, 129, 144, 156, 160, 183, 189, 196, 208, 219, 243, 244, 246, 252, 270, 273, 280, 292, 309, 324, 328, 336, 351, 360, 363]

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

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