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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.

A102669 Number of digits >= 2 in decimal representation of n.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 0
11 0
12 1
13 1
14 1
15 1
16 1
17 1
18 1
19 1
20 1
21 1
22 2
23 2
24 2
25 2
26 2
27 2
28 2
29 2
30 1
31 1
32 2
33 2
34 2
35 2
36 2
37 2
38 2
39 2
40 1
41 1
42 2
43 2
44 2
45 2
46 2
47 2
48 2
49 2
50 1
51 1
52 2
53 2
54 2
55 2
56 2
57 2
58 2
59 2
60 1
61 1
62 2
63 2
64 2
65 2
66 2
67 2
68 2
69 2
70 1
71 1
72 2
73 2
74 2
75 2
76 2
77 2
78 2
79 2
80 1
81 1
82 2
83 2
84 2
85 2
86 2
87 2
88 2
89 2
90 1
91 1
92 2
93 2
94 2
95 2
96 2
97 2
98 2
99 2
100 0
101 0
102 1
103 1
104 1

List of values

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

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