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.

A309432 Number of distinct digits in decimal representation of n^2.

Table of values

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

List of values

[1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 3, 3, 2, 3, 3, 3, 2, 3, 4, 4, 3, 3, 4, 4, 2, 3, 3, 3, 4, 4, 4, 3, 3, 3, 4, 4, 3, 4, 4, 4, 4, 4, 3, 4, 3, 4, 3, 4, 3, 3, 4, 3, 4, 3, 3, 4, 3, 4, 4, 4, 4, 3, 3, 3, 4, 4, 3, 3, 4, 3, 4, 3, 4]