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.

A196564 Number of odd digits in decimal representation of n.

Table of values

n a(n)
0 0
1 1
2 0
3 1
4 0
5 1
6 0
7 1
8 0
9 1
10 1
11 2
12 1
13 2
14 1
15 2
16 1
17 2
18 1
19 2
20 0
21 1
22 0
23 1
24 0
25 1
26 0
27 1
28 0
29 1
30 1
31 2
32 1
33 2
34 1
35 2
36 1
37 2
38 1
39 2
40 0
41 1
42 0
43 1
44 0
45 1
46 0
47 1
48 0
49 1
50 1
51 2
52 1
53 2
54 1
55 2
56 1
57 2
58 1
59 2
60 0
61 1
62 0
63 1
64 0
65 1
66 0
67 1
68 0
69 1
70 1
71 2
72 1
73 2
74 1
75 2
76 1
77 2
78 1
79 2
80 0
81 1
82 0
83 1
84 0
85 1

List of values

[0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1]