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.

A233027 a(n) is number of nonnegative integers not exceeding n which have no decimal digits occurring in n and respectively prime to n.

Table of values

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

List of values

[0, 0, 1, 2, 2, 4, 2, 6, 4, 6, 3, 8, 2, 7, 3, 4, 4, 7, 2, 7, 8, 3, 9, 15, 7, 14, 9, 10, 9, 15, 6, 15, 8, 16, 11, 17, 8, 23, 11, 15, 16, 23, 8, 23, 18, 18, 19, 31, 13, 27, 20, 19, 14, 31, 10, 36, 17, 24, 19, 39, 16, 39, 24, 22, 25, 33, 18, 47, 28, 31, 18, 47, 15]