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.

A086009 Number of 1's in decimal expansion of n^2.

Table of values

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

List of values

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