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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.

A056992 Digital roots of square numbers A000290.

Table of values

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

List of values

[1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9, 4, 1, 9, 1, 4, 9, 7, 7, 9]

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