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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.

A065734 Largest square <= sigma(n).

Table of values

n a(n)
1 1
2 1
3 4
4 4
5 4
6 9
7 4
8 9
9 9
10 16
11 9
12 25
13 9
14 16
15 16
16 25
17 16
18 36
19 16
20 36
21 25
22 36
23 16
24 49
25 25
26 36
27 36
28 49
29 25
30 64
31 25
32 49
33 36
34 49
35 36
36 81
37 36
38 49
39 49
40 81
41 36
42 81
43 36
44 81
45 64
46 64
47 36
48 121
49 49
50 81
51 64
52 81
53 49
54 100
55 64
56 100
57 64
58 81
59 49
60 144
61 49
62 81
63 100
64 121
65 81
66 144
67 64
68 121
69 81
70 144

List of values

[1, 1, 4, 4, 4, 9, 4, 9, 9, 16, 9, 25, 9, 16, 16, 25, 16, 36, 16, 36, 25, 36, 16, 49, 25, 36, 36, 49, 25, 64, 25, 49, 36, 49, 36, 81, 36, 49, 49, 81, 36, 81, 36, 81, 64, 64, 36, 121, 49, 81, 64, 81, 49, 100, 64, 100, 64, 81, 49, 144, 49, 81, 100, 121, 81, 144, 64, 121, 81, 144]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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