cp's OEIS Frontend

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.

A075083 Largest composite number formed by permuting the digits of n, or 0 if no such number exists.

Table of values

n a(n)
1 0
2 0
3 0
4 4
5 0
6 6
7 0
8 8
9 9
10 10
11 0
12 21
13 0
14 14
15 51
16 16
17 0
18 81
19 91
20 20
21 21
22 22
23 32
24 42
25 52
26 62
27 72
28 82
29 92
30 30
31 0
32 32
33 33
34 34
35 35
36 63
37 0
38 38
39 93
40 40
41 14
42 42
43 34
44 44
45 54
46 64
47 74
48 84
49 94
50 50
51 51
52 52
53 35
54 54
55 55
56 65
57 75
58 85
59 95
60 60
61 16
62 62
63 63
64 64
65 65
66 66
67 76
68 86
69 96
70 70
71 0
72 72
73 0
74 74
75 75

List of values

[0, 0, 0, 4, 0, 6, 0, 8, 9, 10, 0, 21, 0, 14, 51, 16, 0, 81, 91, 20, 21, 22, 32, 42, 52, 62, 72, 82, 92, 30, 0, 32, 33, 34, 35, 63, 0, 38, 93, 40, 14, 42, 34, 44, 54, 64, 74, 84, 94, 50, 51, 52, 35, 54, 55, 65, 75, 85, 95, 60, 16, 62, 63, 64, 65, 66, 76, 86, 96, 70, 0, 72, 0, 74, 75]

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

Content is available under The OEIS End-User License Agreement.