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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.

A270045 Smallest m >= 19 containing no nines when represented in any base from 10 through n.

Table of values

n a(n)
10 20
11 21
12 22
13 23
14 24
15 25
16 26
17 27
18 28
19 30
20 30
21 32
22 32
23 34
24 34
25 36
26 36
27 38
28 38
29 40
30 40
31 44
32 44
33 44
34 44
35 46
36 46
37 50
38 50
39 50
40 50
41 52
42 52
43 56
44 56
45 56
46 56
47 58
48 58
49 62
50 62
51 62
52 62
53 68
54 68
55 68
56 68
57 68
58 68
59 70
60 70
61 76
62 76
63 76
64 76
65 76
66 76
67 80
68 80
69 80
70 80
71 82
72 82
73 88
74 88
75 88
76 88
77 88
78 88
79 840

List of values

[20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 30, 32, 32, 34, 34, 36, 36, 38, 38, 40, 40, 44, 44, 44, 44, 46, 46, 50, 50, 50, 50, 52, 52, 56, 56, 56, 56, 58, 58, 62, 62, 62, 62, 68, 68, 68, 68, 68, 68, 70, 70, 76, 76, 76, 76, 76, 76, 80, 80, 80, 80, 82, 82, 88, 88, 88, 88, 88, 88, 840]

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

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