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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.

A265560 Smallest base-3 palindrome m >= n, written in base 10.

Table of values

n a(n)
0 0
1 1
2 2
3 4
4 4
5 8
6 8
7 8
8 8
9 10
10 10
11 13
12 13
13 13
14 16
15 16
16 16
17 20
18 20
19 20
20 20
21 23
22 23
23 23
24 26
25 26
26 26
27 28
28 28
29 40
30 40
31 40
32 40
33 40
34 40
35 40
36 40
37 40
38 40
39 40
40 40
41 52
42 52
43 52
44 52
45 52
46 52
47 52
48 52
49 52
50 52
51 52
52 52
53 56
54 56
55 56
56 56
57 68
58 68
59 68
60 68
61 68
62 68
63 68
64 68
65 68
66 68
67 68
68 68
69 80
70 80
71 80
72 80
73 80
74 80
75 80
76 80
77 80
78 80
79 80
80 80
81 82

List of values

[0, 1, 2, 4, 4, 8, 8, 8, 8, 10, 10, 13, 13, 13, 16, 16, 16, 20, 20, 20, 20, 23, 23, 23, 26, 26, 26, 28, 28, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 82]

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