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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.

A365458 The largest power of 3 that is less than or equal to n.

Table of values

n a(n)
1 1
2 1
3 3
4 3
5 3
6 3
7 3
8 3
9 9
10 9
11 9
12 9
13 9
14 9
15 9
16 9
17 9
18 9
19 9
20 9
21 9
22 9
23 9
24 9
25 9
26 9
27 27
28 27
29 27
30 27
31 27
32 27
33 27
34 27
35 27
36 27
37 27
38 27
39 27
40 27
41 27
42 27
43 27
44 27
45 27
46 27
47 27
48 27
49 27
50 27
51 27
52 27
53 27
54 27
55 27
56 27
57 27
58 27
59 27
60 27
61 27
62 27
63 27
64 27
65 27
66 27
67 27
68 27
69 27
70 27
71 27
72 27
73 27
74 27
75 27
76 27
77 27
78 27
79 27
80 27
81 81
82 81
83 81
84 81
85 81

List of values

[1, 1, 3, 3, 3, 3, 3, 3, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 81, 81, 81, 81, 81]

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

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