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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.

A321542 a(0)=1; thereafter a(n) = 3*a(n-1) with digits rearranged into nondecreasing order.

Table of values

n a(n)
0 1
1 3
2 9
3 27
4 18
5 45
6 135
7 45
8 135
9 45
10 135
11 45
12 135
13 45
14 135
15 45
16 135
17 45
18 135
19 45
20 135
21 45
22 135
23 45
24 135
25 45
26 135
27 45
28 135
29 45
30 135
31 45
32 135
33 45
34 135
35 45
36 135
37 45
38 135
39 45
40 135
41 45
42 135
43 45
44 135
45 45
46 135
47 45
48 135
49 45
50 135
51 45
52 135

List of values

[1, 3, 9, 27, 18, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135, 45, 135]

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

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