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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.

A270832 Number of bases in which n is written using more than 1 digit, all of which are distinct.

Table of values

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

List of values

[0, 1, 1, 1, 2, 3, 4, 4, 5, 5, 8, 7, 9, 9, 11, 10, 12, 12, 16, 14, 16, 16, 18, 17, 19, 19, 22, 22, 24, 23, 25, 24, 27, 27, 30, 27, 30, 32, 34, 32, 35, 34, 36, 37, 38, 38, 41, 39, 42, 41, 45, 45, 48, 47, 48, 48, 49, 51, 53, 48, 53, 54, 55, 53, 57, 58, 60, 60, 63, 62]

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

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